Malicious PDF — malware analysis report

Static analysis result for SHA-256 99e326b22ae49e7f…

MALICIOUS

PDF

48.4 KB Created: 2021-08-14 09:53:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-27
MD5: 14c7b6bb4db0be065826ade7e603a5ee SHA-1: a53ebd9e6b3987403a0e9bebde75b8e374cf0b64 SHA-256: 99e326b22ae49e7fbb81f3bda3ae73ddcf1e7cba93d6b1b50cc9df5e90af5a13
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is detected as a malicious PDF by ClamAV, specifically flagged as Pdf.Phishing.Trojan. It contains an embedded URI that points to a potentially malicious URL. Although the document body is heavily obfuscated and unreadable, the presence of a ClamAV detection and an embedded URI strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.1313

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.davidcosz.de/wp-content/plugins/super-forms/upl In PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=limiting+and+excess+reactants+pogil+answersPDF link annotation

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