Malicious PDF — malware analysis report

Static analysis result for SHA-256 9289d3b7a4a99ff5…

MALICIOUS

PDF

35.6 KB Created: 2020-12-09 12:06:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0781f0cb1d723b38bb50bf5155a2235c SHA-1: 6255adb4bae68a44bd3930f885a9eac655885e26 SHA-256: 9289d3b7a4a99ff5635950954356ad2abf4ce8f0cfee30f2ad8757b597d9f98e
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-heavy nature and a single clickable link. The embedded URL, https://trafffi.ru/aws?utm_term=api+monitor+v2, is the primary indicator of malicious intent, likely directing users to a malicious site. The ClamAV detection and ML classifier further support its malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7235

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://trafffi.ru/aws?utm_term=api+monitor+v2

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