Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e96564a16a96e92…

MALICIOUS

PDF

36.1 KB Created: 2021-07-03 04:36:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: d27074632a01a6afd5e5178daca0c135 SHA-1: 0ac4674445332eeaf6cb3155d27f5137514ebbfa SHA-256: 9e96564a16a96e92e6c1a04443cf02792351772752da1c6ead0bfa428c496909
114 Risk Score

Malware Insights

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

The PDF was identified as malicious by ClamAV and an ML classifier. Heuristics indicate it's an image-only document with an action trigger, typical of phishing lures. The embedded URL, while confirmed benign, points to a pattern of using external links to deliver malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7170

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 36 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 http://alexhoffordphotography.com/temp/files/file/nidevufevim.pdf In PDF document text
    • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160afe4b6a550b---15388684456.pdfIn PDF document text
    • http://sintellect.ru/Repository/file/vosinuso.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=iphone+clash+of+clans+hackPDF link annotation

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