Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff4b383d59ff2dbb…

MALICIOUS

PDF

36.6 KB Created: 2021-06-02 11:48:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a0e690167cc22cd8b11e2703033ded44 SHA-1: 8ed4ad0720dc1175f6bc23bfa13ea21e7c9ecd9f SHA-256: ff4b383d59ff2dbb954a7704b6ca91cd91334e9d570028549426c73611165a85
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as a phishing lure due to its image-only nature and a clickable action directing to an external URL. The heuristic 'PDF_IMAGE_LURE' indicates a typical phishing shape, and the embedded URL 'https://medvor.ru/pbw?utm_term=nitro+nation+mod+apk+6.8.10' is the primary indicator of malicious intent. ClamAV also detected this file as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6106

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 36 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://medvor.ru/pbw?utm_term=nitro+nation+mod+apk+6.8.10
    • https://static.s123-cdn-static.com/uploads/4403539/normal_5fdf228b1e09e.pdf
    • https://cdn-cms.f-static.net/uploads/4381287/normal_5fd6de400f7a1.pdf
    • https://karoxenerom.weebly.com/uploads/1/3/0/7/130739074/nikixibirujezox_miledu_pafejerojiri.pdf
    • https://cdn-cms.f-static.net/uploads/4367625/n
    • http://mifimoruzuwo.pbworks.com/w/file/fetch/144470493/how_long_to_force_defrost_samsung_ice_maker.pdf

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