Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e2659aa41395279…

MALICIOUS

PDF

35.2 KB Created: 2021-03-13 16:44:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 02710332552e6dad25512f87280cfe75 SHA-1: a16e9b76a8189caa3623e2375195d4ea3502597a SHA-256: 2e2659aa41395279d6ce687228da19d665c113fd56bc419c2c10e2b6c690cbd1
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier. Heuristics indicate it's an image-only lure, typical for phishing, with a clickable link to an external URL. The document body is heavily obfuscated, but the presence of a link suggests an attempt to redirect the user to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8097

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 35 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://jottigo.ru/award?keyword=appearance+adjectives+list+pdf

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