Malicious PDF — malware analysis report

Static analysis result for SHA-256 534b6b58127f8f90…

MALICIOUS

PDF

49.6 KB Created: 2020-12-04 21:39:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d43e13a95d0e3b29b6732461cab64807 SHA-1: 0fedb3b46d98da70498473f85bc70c1e7b7030cc SHA-256: 534b6b58127f8f90bc9fc5bb9148abe4905512862770aa44a8717d2d2c702350
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document with an action trigger, typical of a phishing lure. It contains a single external URI pointing to 'trafftec.ru', which is likely used to redirect the user to a malicious site. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6111

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 49 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://trafftec.ru/aws?utm_term=curse+of+strahd+castle+ravenloft+guide

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