Malicious PDF — malware analysis report

Static analysis result for SHA-256 194abf3f4889c37d…

MALICIOUS

PDF

89.3 KB Created: 2021-01-29 20:16:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70f81a1a6f902293910bb348d3edef6f SHA-1: ae0040fa1f23c77693f9499104021ac3037f1c9f SHA-256: 194abf3f4889c37dd185d3b3452ed4706918d0651d9047cf7751a70281cf30b1
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 an image-only document, likely a screenshot, to entice users to click on an embedded link. The embedded URL points to a suspicious domain, suggesting it is used to deliver a secondary payload or redirect to a phishing page. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7510

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 89 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/wb?keyword=crossword%20jam%20level%201078

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