Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e5d7c9e7128305e…

MALICIOUS

PDF

41.6 KB Created: 2021-02-13 21:57:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 623e6d82a6ca5d52135caae116b09d72 SHA-1: d7ebd4b10089f887160d935ae2bff53c302fdb91 SHA-256: 2e5d7c9e7128305e65ecc89280162383e3d2bb80fc60aa47968dbbe42f2737a3
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains heuristics indicating it links to known malicious redirector infrastructure, specifically for SEO-based phishing lures. The embedded URL, 'https://crophysi.ru/aws?utm_term=paper+cutting+art+template', is identified as a malicious redirector. While no scripts were extracted, the PDF structure and link behavior strongly suggest a phishing attempt to download potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5579

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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://crophysi.ru/aws?utm_term=paper+cutting+art+template In PDF document text