Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdc9f6ecfca031b3…

MALICIOUS

PDF

141.3 KB Created: 2021-08-26 14:52:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-23
MD5: 7ac4bcdd066debda0136c5a4cfc596c7 SHA-1: 1eb255303eb87921fd4a91750b1a2a6802bcc289 SHA-256: cdc9f6ecfca031b305363baef4ef3a7dbbd6101cc10709c734144fd1912d3161
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating phishing and trojan activity. It contains an embedded URI pointing to a URL that, while flagged as benign, is likely part of a lure. The document body is heavily obfuscated and does not provide clear textual content for analysis, suggesting the primary malicious function relies on external links or exploits.

Machine Learning

  • Nyx PDF Classifier clean score 0.2094

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://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=understanding+and+using+english+grammar+pdf+5th+edition PDF link annotation

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