Malicious PDF — malware analysis report

Static analysis result for SHA-256 22ce5d59b54b6355…

MALICIOUS

PDF

35.2 KB Created: 2021-03-21 00:29:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: ee8092db299bf57856bf7d3ae101ea0c SHA-1: d421141389e089628a4b87a819b0154ea99a430d SHA-256: 22ce5d59b54b63557808d119c8e83719bc1a1ce62d86d024d16fd077c8858c13
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-only nature and embedded clickable link. The heuristic 'PDF_IMAGE_LURE' indicates a common tactic where a screenshot is used to hide malicious links. The embedded URL leads to a suspicious domain, further supporting the phishing or malware delivery intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7345

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://xajibur.ru/award?keyword=data+analysis+using+stata+pdf+download PDF link annotation

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