Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eb024a5421d3338…

MALICIOUS

PDF

35.2 KB Created: 2021-09-05 22:46:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 53c01d876087f3bd4c16297febd1e441 SHA-1: 4cad1c742237507c9586ddc426c47d5ed2e4a5b3 SHA-256: 7eb024a5421d33388b5dab6639e1442d5c453b5f7616c3fd703ba02048101cf4
114 Risk Score

Malware Insights

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

The PDF is identified as an image-only lure, typical for phishing attacks, designed to trick users into interacting with a malicious link. ClamAV and ML classifiers confirm its malicious nature. The embedded URL, although flagged as benign by reputation services, is part of the attack chain and points to a potential phishing or malware distribution point.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8175

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/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=when+i+grow+up+matilda+sheet+music+pdf PDF link annotation

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