Malicious PDF — malware analysis report

Static analysis result for SHA-256 505c3372e9e413f0…

MALICIOUS

PDF

35.9 KB Created: 2021-07-17 23:50:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: acbea756f8d0c80df423b92b78defd5b SHA-1: 403c147b298ee86340878fc1692af2ba18994dd6 SHA-256: 505c3372e9e413f0936044e18da22e1bfcb2b225ea006b124aeaa2dfddb7d29c
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file is identified as malicious by multiple heuristics, including a high ML score and ClamAV detection. The 'PDF_IMAGE_LURE' heuristic indicates that the document is image-only and contains a click-outward action, typical of phishing lures. The embedded URLs point to external sites that likely host further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7689

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 35 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/4c4576869466042a39807e16285ffa38/ravapagefugexo.pdf In PDF document text
    • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c083In PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=one+foot+leftPDF link annotation

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