Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3aa44b4c7509c9d…

MALICIOUS

PDF

17.6 KB Created: 2020-11-09 16:12:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 619eccc9157b15093816428f68fd672d SHA-1: b448dff5b1e8a47504e61642fcb603e5234f12d5 SHA-256: d3aa44b4c7509c9de2297d6976546769f08331a9f736e9d3c7a6c9bc27c12b05
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is designed as an image-only lure, typical of phishing attacks, to entice users to click on a link. This link, https://traffmen.ru/aws?keyword=mapquest+directions+directions, is identified as a malicious redirector, indicating the document's intent to lead the user to a harmful destination. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9918

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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 17 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://traffmen.ru/aws?keyword=mapquest+directions+directions

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