Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e1a4361e01dfe92…

MALICIOUS

PDF

48.6 KB Created: 2021-10-11 11:02:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: e7d97a4c32779b73d1ff09f2107b98cf SHA-1: c5c5a099d48db3637d9caf4b404643bb447f668f SHA-256: 7e1a4361e01dfe92c3b7c62966ca2bceff1a2fcaf0b67d7b1cd8a07c1eadfca0
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains embedded URLs, one of which points to a suspicious domain, suggesting it's used to redirect users to malicious content or phishing sites. The presence of wkhtmltopdf suggests it might be a generated document, potentially used to obscure malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5562

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 http://yds-wcv.jp/free_images/files/47494166205.pdf In PDF document text
    • http://tl-maskinfaIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=relation+between+wavelength+and+frequency+and+velocityPDF link annotation

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