Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba2924855536f621…

MALICIOUS

PDF

93.7 KB Created: 2021-07-17 01:04:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: 44a942560486e29381bc951f6c724bb3 SHA-1: 751e5ce80468f5a2ccfa1ba6e404ec89f08f8748 SHA-256: ba2924855536f621193dd90ab0d9442c7d6861c5ce6b2720362299e7581f7713
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI that points to a URL, which, despite its benign reputation, is part of the malicious infrastructure. The PDF structure and heuristics suggest an attempt to exploit users through a deceptive link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5896

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/~3/3vuEKuznOb8/uplcv?utm_term=mystery+stories+in+english+pdf PDF link annotation

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