Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a18e18e7f0050dc…

MALICIOUS

PDF

35.1 KB Created: 2021-09-17 06:52:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: bd3c06423a4664d30e46e6c8e89f6aa3 SHA-1: f1f7aed2530b945d0205f382d02f76d705edca1f SHA-256: 0a18e18e7f0050dc2a5914a88baa696bd4f6c30513c36f9628fc5684a52c7781
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing attacks, designed to trick users into clicking embedded links. ClamAV detection and ML classification confirm its malicious nature. The embedded URL, although labeled benign by the source, is the primary indicator of a potential redirection to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8174

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/~3/6naE_Nh8_CY/uplcv?utm_term=entrenamiento+de+porteros+pdf PDF link annotation

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