Malicious PDF — malware analysis report

Static analysis result for SHA-256 f54306ae26b15113…

MALICIOUS

PDF

76.3 KB Created: 2021-03-14 15:20:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e1a9507fef757bcd83a103d2c86f8f05 SHA-1: 74db1f224bfe6318786e83aad9c9aba952bfde23 SHA-256: f54306ae26b151139cc38f19c7c91d42fdbebe7c6425c4b414f76b2a62c75650
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting itself as an image-only document with a clickable action, designed to lure users into clicking an embedded URI. The heuristic 'PDF_IMAGE_LURE' indicates a typical shape for a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6915

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 76 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://xajibur.ru/award?keyword=williams+hematology+9e+pdf

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