Malicious PDF — malware analysis report

Static analysis result for SHA-256 9989c978e7e69f6d…

MALICIOUS

PDF

67.6 KB Created: 2021-09-18 07:02:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-21
MD5: 5465c11ca54c0712f9179c233b548ad0 SHA-1: 4bdaec8874ac1894909391ffe1e50b9dea0e4715 SHA-256: 9989c978e7e69f6d223b474a2681e460f054fe330d54c0e1d9f5566c1e843bc4
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URI points to a URL that, while currently classified as benign, is part of a pattern of luring users to download further malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of multiple unknown URLs suggests an attempt to redirect the user to malicious sites for payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9289

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://ceccargiurgiu.ro/userfiles/file/wupos.pdf In PDF document text
    • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614528f4a7044---vobigodagod.pdfIn PDF document text
    • http://dh-cell.com/ckfinder/userfiles/files/440008753.pdfIn PDF document text
    • https://kermanrooz.com/img/files/vumiguvifalilabo.pdfIn PDF document text
    • http://asirius.su/wp-content/plugIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=1+trillion+divided+by+7+billionPDF link annotation

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