Malicious PDF — malware analysis report

Static analysis result for SHA-256 f42e6728f705bb3a…

MALICIOUS

PDF

45.5 KB Created: 2021-08-13 22:37:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-22
MD5: 10fd6f6e8515d9cd6b8522d0db39d140 SHA-1: 5a24ca257dcc35de17d1306df1aaa8ec3cc6722a SHA-256: f42e6728f705bb3adb32eed5f0d85f7e508f875cde43faf4746b1e46bfe1e744
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is detected as a phishing trojan by ClamAV. It contains an embedded URL that, while currently flagged as benign, is likely part of a phishing lure. The PDF structure and metadata suggest it was generated by wkhtmltopdf, a common tool for creating PDFs from web content, which could be used to disguise malicious links.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3855

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=financial+statement+analysis+and+security+valuation+solutions+pdf PDF link annotation

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