Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ab71faf1b72bd39…

MALICIOUS

PDF

35.9 KB Created: 2021-09-04 01:09:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: ee72fb167cfee3b1943c18c0a46dae55 SHA-1: a8aacc86e81425028c0ceecd151ef4873e00e9cb SHA-256: 6ab71faf1b72bd39ee5119a63fb3530134ba0b56320d90ce0007a6b5d897e927
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting an image-based lure, typical of a screenshot, to entice users to click on an embedded link. This action likely redirects to a malicious site for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7249

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 http://ksnjl.com/userfiles/files/fapowedibabufamowaj.pdf In PDF document text
    • http://ndt-tl.ru/upload/file/23030848521.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=translation+math+quiz+pdfPDF link annotation