Malicious PDF — malware analysis report

Static analysis result for SHA-256 66e3a00ca9305c30…

MALICIOUS

PDF

102.9 KB Created: 2021-07-02 03:31:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 32e90ddd9875e0931ce57276c280945a SHA-1: c40666c4b7ee6754611d431945626c8a5b6ce8c1 SHA-256: 66e3a00ca9305c30221c7f8d89b799dc13148fd805d60e9a73795fc9ee58b9a1
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document flagged by multiple security tools, including ClamAV, as malicious. It contains embedded URLs that point to potentially malicious sites, suggesting a phishing or credential harvesting attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document designed to redirect users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7613

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c98fda8c515---52820545681.pdf In PDF document text
    • http://surmounttravel.com/userfiles/files/25574130878.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=metronidazole+for+pidPDF link annotation

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