Malicious PDF — malware analysis report

Static analysis result for SHA-256 b762fcc499c30f51…

MALICIOUS

PDF

35.6 KB Created: 2021-01-03 05:56:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6298c4cde9ce6ee700aa7869187a06c1 SHA-1: 2c2ad433083f023d1c13fab6e6a06a8d79dc08ed SHA-256: b762fcc499c30f51bc85b4173f607f98b85d053b640c38bd6c70ce23daa303a1
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 embedded clickable link. The ML classifier and ClamAV detection further support its malicious classification. The embedded URL likely leads to a phishing site designed to steal user credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7066

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://trafficel.ru/aws?utm_term=outlook+signature+template+2019
    • https://uploads.strikinglycdn.com/files/e767e6fc-203d-45ad-8081-90cdc7fbea19/86480961114.pdf

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