Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b0db034e3ddadc8…

MALICIOUS

PDF

78.9 KB Created: 2021-04-02 02:43:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 40d5f73093bd17f10d395630e1e9ae3e SHA-1: 09b0fb58d2b747b55c42d07d5d88632cce58161a SHA-256: 8b0db034e3ddadc8ae33bec676bdeae1646c1fc8c3de03cd5c9b12fd1365a9a7
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. It employs a common phishing tactic, presenting itself as an image-only document with a clickable action, typical of a screenshot lure. The embedded URL, https://bologen.ru/123?utm_term=amendment+11+florida+prison+reform, is the primary indicator of malicious intent, likely directing users to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5052

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 78 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://bologen.ru/123?utm_term=amendment+11+florida+prison+reform
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