Malicious PDF — malware analysis report

Static analysis result for SHA-256 688e620397c04ec9…

MALICIOUS

PDF

37.6 KB Created: 2021-02-28 07:39:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 26d82bd9d55d0f4c4a18f0cc9df1e8b0 SHA-1: fc39358363bdd4383cadab5bcf8a60fa808a7695 SHA-256: 688e620397c04ec94fa7590d5b5d16e6987e8c557be92cafdd05ea3c4cde2932
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URI pointing to 'fokemale.ru', which is flagged as suspicious. Heuristics indicate this is an image-only document with an action trigger, typical of phishing lures that hide clickable buttons. ClamAV detection and ML classification further support its malicious nature, suggesting it's a phishing or trojan delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6592

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 37 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://fokemale.ru/aws?utm_term=pride+and+prejudice+%25281995+tv+series%2529+online
    • http://zanovekolasin.mywebcommunity.org/bunn_slush_machine_ultra_2.pdf
    • http://duplicwcnj.space/2600686536014sc9.pdf
    • http://dietnatur.fun/labugusufaramasesageturjol3i.pdf
    • https://cdn-cms.f-static.net/uploads/4448727/normal_6023d14ac6c47.pdf
    • https://cdn-cms.f-static.net/uploads/4486969/normal_5fd22df61a2e9.pdf
    • https://cdn.sqhk.co/xavaxonad/cichfih/free_photo_editing_software_32_bit.pdf
    • https://s3.amazonaws.com/vojapu/best_convertible_car_seat_safety_ratings.pdf
    • https://s3.amazonaws.com/voxipanovigepiv/stock_market_open_monday_jan_18_2021.pdf
    • https://s3.amazonaws.com/wemofodi/34370837948.pdf
    • https://s3.amazonaws.com/wixanarer/numeracy_worksheets_for_kindergarten.pdf

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