Malicious PDF — malware analysis report

Static analysis result for SHA-256 040c06398cb8c890…

MALICIOUS

PDF

35.2 KB Created: 2021-06-23 12:42:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 8da4b33a0cb34cad9896ad7fb0cc7257 SHA-1: 5c44eaf141113005aee4847b061c1fe5b29b925c SHA-256: 040c06398cb8c890683a9e02171e39c1814bbcd7668a7334643325b1e5eac02b
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 embedded clickable link. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL, although flagged as benign by the reputation service, is the primary indicator of a potential phishing or download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8097

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/~3/1xuhb7AK25c/uplcv?utm_term=download+tere+sang+yaara+instrumental PDF link annotation

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