Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff330ccdcb928a39…

MALICIOUS

PDF

45.1 KB Created: 2021-03-26 08:01:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c28d28bfe57b79fbc97d5127e9625904 SHA-1: bbcf727028c45e70c34c412390e7f54c4e360bc5 SHA-256: ff330ccdcb928a39c282a9cf86ee4d24870a64e2bb592327993c4b8b17b78a87
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by a machine learning classifier and ClamAV, with a high heuristic score for being an image-only document used as a lure. The embedded URI points to a suspicious domain, suggesting a phishing or malware distribution attempt. The document body is heavily obfuscated, preventing a detailed analysis of its specific content, but the overall structure and heuristics indicate a malicious intent to redirect the user to an external resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7134

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 45 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/123?utm_term=sales+forecast+template+for+restaurant
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