Malicious PDF — malware analysis report

Static analysis result for SHA-256 78f10bf92b77ea8e…

MALICIOUS

PDF

57.1 KB Created: 2021-07-31 07:24:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: e8f933f321ae709a7d35f5206f3f0f18 SHA-1: f3fb4aee4d299dfa1fb84a1935ce94d3d09b1ea1 SHA-256: 78f10bf92b77ea8e8d30ed312b159e4873e7a502a70a8781058059d0e771597d
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF containing an embedded URI pointing to a suspicious domain. ClamAV detection and ML classification further indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect the user to a potentially harmful website, likely for phishing or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5212

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://crysiq.ru/uplcv?utm_term=adobe+animate+insert+blank+keyframe+shortcut PDF link annotation

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