Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa92179c22fd4307…

MALICIOUS

PDF

35.1 KB Created: 2021-06-25 08:50:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: acca77ab705a506b5a4ede59312d0d58 SHA-1: 01ea1a5890765e6e3ea1fff66aee248178ff0462 SHA-256: aa92179c22fd43073c67a75089720f5f0fb9c1ae335ff0c2b0d65d525f580445
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-only nature and a click-outward action. The ML classifier and ClamAV detection strongly indicate malicious intent. While the embedded URL is confirmed benign, the overall structure and heuristic firings suggest it's designed to deceive users into interacting with a malicious link, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8097

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://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=coreldraw+exercises+pdf

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