Malicious PDF — malware analysis report

Static analysis result for SHA-256 8db7186c89d6ffd8…

MALICIOUS

PDF

50.3 KB Created: 2021-04-06 09:55:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3604b958825233ed579e1305ae9ce856 SHA-1: 65eddd2e0e199c9af97178ea3ef2c6bf063cafb3 SHA-256: 8db7186c89d6ffd8c714310ec1de83d6aa12a3cbd9a05f792fea0ca10300d960
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-heavy nature and a single clickable action. The embedded URL, https://gimoguvi.ru/award?keyword=cae+practice+tests+plus+1+pdf+free+download, likely leads to a malicious site. ClamAV detection and ML classification further support its malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7360

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://gimoguvi.ru/award?keyword=cae+practice+tests+plus+1+pdf+free+download
    • http://jawogili.22web.org/48312584387.pdf
    • https://static.s123-cdn-static.com/uploads/4387056/normal_5ff221af1cde5.pdf
    • https://cdn-cms.f-static.net/uploads/4458852/normal_6038bc49b23d2.pdf
    • http://xamejaduxak.22web.org/jinamesitomefejekeluzakul.pdf
    • https://static.s123-cdn-static.com/uploads/4452835/normal_5fed4e533a330.pdf
    • https://gopogaxewose.weebly.com/uploads/1/3/4/0/134013169/da6504.pdf
    • https://cdn.sqhk.co/laruxibut/KxdjfpM/distraint_pocket_pixel_horror_apk.pdf
    • https://cdn-cms.f-static.net/uploads/4384831/normal_6055ad96e82df.pdf
    • http://majejuf.22web.org/antisepsia_concepto.pdf
    • https://cdn.sqhk.co/vibisidumes/45D8gjT/zigzag_3d_wall_panel.pdf
    • https://wamogipoko.weebly.com/uploads/1/3/0/7/130739383/683e835.pdf
    • https://cdn-cms.f-static.net/uploads/4410004/normal_6066ed0b0a88f.pdf
    • https://s3.amazonaws.com/fedure/long_qt_syndrome_hrs_guidelines.pdf
    • https://s3.amazonaws.com/taguxif/acknowledgment_for_research_report.pdf
    • https://s3.amazonaws.com/suxugipipolazog/valentine_s_day_worksheets_high_school.pdf
    • https://s3.amazonaws.com/likadojivivofu/78731860682.pdf

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