Analysis Report Covid screening questionaire.pdf

Overview

General Information

Sample Name: Covid screening questionaire.pdf
Analysis ID: 412658
MD5: e87f93f286ff7cc507263e8d35e0f326
SHA1: 099b509e715dbbbc8d3a634b6b450276a3f2c901
SHA256: 12b425e76752e75a87ccdfc8537f7d208fc57c77ff23792f9475b720d1985c03
Infos:

Most interesting Screenshot:

Detection

Score: 1
Range: 0 - 100
Whitelisted: false
Confidence: 80%

Signatures

Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
IP address seen in connection with other malware
PDF has an OpenAction (likely to launch a dropper script)

Classification

Networking:

barindex
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 80.0.0.0 80.0.0.0
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt0
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://cacerts.digicert.com/DigiCertEVCodeSigningCA-SHA2.crt0
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://cacerts.digicert.com/DigiCertHighAssuranceEVRootCA.crt0
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDTimestampingCA.crt0
Source: AcroRd32.exe, 00000001.00000002.602323706.000000000AFBF000.00000004.00000001.sdmp String found in binary or memory: http://cipa.jp/exif/1.0/
Source: AcroRd32.exe, 00000001.00000002.602323706.000000000AFBF000.00000004.00000001.sdmp String found in binary or memory: http://cipa.jp/exif/1.0/)
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0P
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl3.digicert.com/DigiCertHighAssuranceEVRootCA.crl0
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl3.digicert.com/EVCodeSigningSHA2-g1.crl07
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl3.digicert.com/sha2-assured-ts.crl02
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl4.digicert.com/DigiCertAssuredIDRootCA.crl0:
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl4.digicert.com/DigiCertHighAssuranceEVRootCA.crl0
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl4.digicert.com/EVCodeSigningSHA2-g1.crl0K
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://crl4.digicert.com/sha2-assured-ts.crl0
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://iptc.org/std/Iptc4xmpExt/2008-02-29/
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://ns.useplus.org/ldf/xmp/1.0/
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://ocsp.digicert.com0C
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://ocsp.digicert.com0H
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://ocsp.digicert.com0I
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://ocsp.digicert.com0O
Source: AcroRd32.exe, 00000001.00000002.623213006.0000000011E3C000.00000004.00000001.sdmp String found in binary or memory: http://www.adobe.
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/extension/
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/field#
Source: AcroRd32.exe, 00000001.00000002.602323706.000000000AFBF000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/id/
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/property#
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/property#M
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/schema#
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/schema#B
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfa/ns/type#
Source: AcroRd32.exe, 00000001.00000002.602323706.000000000AFBF000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfe/ns/id/
Source: AcroRd32.exe, 00000001.00000002.602323706.000000000AFBF000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfe/ns/id/I
Source: AcroRd32.exe, 00000001.00000002.602323706.000000000AFBF000.00000004.00000001.sdmp String found in binary or memory: http://www.aiim.org/pdfe/ns/id/P
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: http://www.digicert.com/ssl-cps-repository.htm0
Source: AcroRd32.exe, 00000001.00000002.602323706.000000000AFBF000.00000004.00000001.sdmp String found in binary or memory: http://www.npes.org/pdfx/ns/id/
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.osmf.org/default/1.0%http://www.osmf.org/mediatype/default
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.osmf.org/drm/default
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.osmf.org/elementId%http://www.osmf.org/temporal/embedded$http://www.osmf.org/temporal/dyn
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.osmf.org/layout/anchor
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.osmf.org/layout/padding%http://www.osmf.org/layout/attributes
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.osmf.org/region/target#http://www.osmf.org/layout/renderer#http://www.osmf.org/layout/abs
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.osmf.org/subclip/1.0
Source: AcroRd32.exe, 00000001.00000002.589627373.0000000007740000.00000002.00000001.sdmp String found in binary or memory: http://www.quicktime.com.Acrobat
Source: AcroRd32.exe, 00000001.00000002.602353615.000000000AFD1000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/
Source: AcroRd32.exe, 00000001.00000002.602353615.000000000AFD1000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/A
Source: AcroRd32.exe, 00000001.00000002.602353615.000000000AFD1000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/S
Source: AcroRd32.exe, 00000001.00000002.600476606.000000000A37F000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/Upload/
Source: AcroRd32.exe, 00000001.00000002.600476606.000000000A37F000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/Upload/4F
Source: AcroRd32.exe, 00000001.00000002.600476606.000000000A37F000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/Upload/:
Source: AcroRd32.exe, 00000001.00000002.600476606.000000000A37F000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/Upload/L
Source: AcroRd32.exe, 00000001.00000002.600476606.000000000A37F000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/Upload/r
Source: AcroRd32.exe, 00000001.00000002.602353615.000000000AFD1000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/d
Source: AcroRd32.exe, 00000001.00000002.602353615.000000000AFD1000.00000004.00000001.sdmp String found in binary or memory: https://PrefSyncJob/com.adobe.acrobat.ADotCom/Resource/Sync/i
Source: AcroRd32.exe, 00000001.00000002.604492315.000000000B3A3000.00000004.00000001.sdmp String found in binary or memory: https://api.echosign.com
Source: AcroRd32.exe, 00000001.00000002.604492315.000000000B3A3000.00000004.00000001.sdmp String found in binary or memory: https://api.echosign.comRL
Source: AcroRd32.exe, 00000001.00000002.594582632.0000000008F53000.00000004.00000001.sdmp String found in binary or memory: https://ims-na1.adobelogin.com
Source: AcroRd32.exe, 00000001.00000002.594582632.0000000008F53000.00000004.00000001.sdmp String found in binary or memory: https://ims-na1.adobelogin.comoI
Source: AcroRd32.exe, 00000001.00000002.593315744.00000000085FD000.00000002.00000001.sdmp String found in binary or memory: https://www.digicert.com/CPS0
Source: classification engine Classification label: clean1.winPDF@13/47@0/2
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe File created: C:\Users\user\AppData\Local\Adobe\Acrobat\DC\AdobeFnt16.lst.6548 Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe File created: C:\Users\user\AppData\Local\Temp\acrord32_sbx Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe File read: C:\Users\desktop.ini Jump to behavior
Source: unknown Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe' 'C:\Users\user\Desktop\Covid screening questionaire.pdf'
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe' --type=renderer /prefetch:1 'C:\Users\user\Desktop\Covid screening questionaire.pdf'
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --backgroundcolor=16514043
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --touch-events=enabled --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-gpu-compositing --service-pipe-token=16739402187565574225 --lang=en-US --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=16739402187565574225 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --lang=en-US --gpu-preferences=KAAAAAAAAACAAwABAQAAAAAAAAAAAGAAAAAAAAEAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --use-gl=swiftshader-webgl --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --service-request-channel-token=15525037812135764353 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --touch-events=enabled --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-gpu-compositing --service-pipe-token=844945410949651913 --lang=en-US --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=844945410949651913 --renderer-client-id=4 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --touch-events=enabled --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-gpu-compositing --service-pipe-token=357690743904107764 --lang=en-US --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=357690743904107764 --renderer-client-id=5 --mojo-platform-channel-handle=2084 --allow-no-sandbox-job /prefetch:1
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe' --type=renderer /prefetch:1 'C:\Users\user\Desktop\Covid screening questionaire.pdf' Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --backgroundcolor=16514043 Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --touch-events=enabled --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-gpu-compositing --service-pipe-token=16739402187565574225 --lang=en-US --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=16739402187565574225 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1 Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --lang=en-US --gpu-preferences=KAAAAAAAAACAAwABAQAAAAAAAAAAAGAAAAAAAAEAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --use-gl=swiftshader-webgl --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --service-request-channel-token=15525037812135764353 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2 Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --touch-events=enabled --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-gpu-compositing --service-pipe-token=844945410949651913 --lang=en-US --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=844945410949651913 --renderer-client-id=4 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1 Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --touch-events=enabled --field-trial-handle=1712,7532418871871553696,2370599676892093201,131072 --disable-features=VizDisplayCompositor --disable-gpu-compositing --service-pipe-token=357690743904107764 --lang=en-US --disable-pack-loading --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.12.20035 Chrome/80.0.0.0' --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=357690743904107764 --renderer-client-id=5 --mojo-platform-channel-handle=2084 --allow-no-sandbox-job /prefetch:1 Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe File opened: C:\Windows\SysWOW64\Msftedit.dll Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: Covid screening questionaire.pdf Initial sample: PDF keyword /JS count = 0
Source: Covid screening questionaire.pdf Initial sample: PDF keyword /JavaScript count = 0
Source: Covid screening questionaire.pdf Initial sample: PDF keyword /EmbeddedFile count = 0

Data Obfuscation:

barindex
PDF has an OpenAction (likely to launch a dropper script)
Source: Covid screening questionaire.pdf Initial sample: PDF keyword /OpenAction
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe Process information set: NOGPFAULTERRORBOX | NOOPENFILEERRORBOX Jump to behavior
Source: AcroRd32.exe, 00000001.00000002.603585188.000000000B2BC000.00000004.00000001.sdmp Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dll

Anti Debugging:

barindex
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe Code function: 1_2_00943490 LdrInitializeThunk, 1_2_00943490
Source: AcroRd32.exe, 00000001.00000002.588846670.00000000055F0000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: AcroRd32.exe, 00000001.00000002.588846670.00000000055F0000.00000002.00000001.sdmp Binary or memory string: Progman
Source: AcroRd32.exe, 00000001.00000002.588846670.00000000055F0000.00000002.00000001.sdmp Binary or memory string: &Program Manager
Source: AcroRd32.exe, 00000001.00000002.588846670.00000000055F0000.00000002.00000001.sdmp Binary or memory string: Progmanlock
windows-stand
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 process2 2 Behavior Graph ID: 412658 Sample: Covid screening questionaire.pdf Startdate: 12/05/2021 Architecture: WINDOWS Score: 1 6 AcroRd32.exe 15 39 2->6         started        process3 8 RdrCEF.exe 56 6->8         started        11 AcroRd32.exe 8 6 6->11         started        dnsIp4 22 192.168.2.1 unknown unknown 8->22 13 RdrCEF.exe 8->13         started        16 RdrCEF.exe 8->16         started        18 RdrCEF.exe 8->18         started        20 RdrCEF.exe 8->20         started        process5 dnsIp6 24 80.0.0.0 NTLGB United Kingdom 13->24
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
80.0.0.0
 unknown United Kingdom
5089 NTLGB false

Private
IP
192.168.2.1