Malicious PDF — malware analysis report

Static analysis result for SHA-256 e273d371b34ab7ae…

MALICIOUS

PDF

35.6 KB Created: 2021-02-02 23:53:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b93791c01bcd39b56b0b59330d140509 SHA-1: b09020cf36626d340ba60bdf0c0a79c3e96ddb17 SHA-256: e273d371b34ab7ae0365a22949403af46580cd03ad7410794f5b93657abf40a8
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 a clickable link. The embedded URL, https://bologen.ru/aws?utm_term=printable+color+worksheets+for+preschool, is the primary indicator of compromise. ClamAV and ML classifiers also flagged this file as malicious, supporting the phishing attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6975

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://bologen.ru/aws?utm_term=printable+color+worksheets+for+preschool

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