Malicious PDF — malware analysis report

Static analysis result for SHA-256 941b3a4fd97bf784…

MALICIOUS

PDF

114.0 KB Created: 2022-07-29 00:10:18 +00:00 Authoring application: zemakav (via PDF Master 1.0.1) First seen: 2026-06-12
MD5: efc7d4ef19dd2cd8a4a4a0d4122eb9a1 SHA-1: 381407f159f4bbe99091e1b9ac3fcdcaa966a3eb SHA-256: 941b3a4fd97bf784c97fec7e35bcec64f71b8bb8bdcba2632222f77878c7b30e
134 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0017

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://bestsmartfind.com/chauvinist/heralding/skiers.ecard/saipan/?RG93bmxvYWQgQWxvbmUgMiBGdWxsIE1vdmllIEluIEhpbmRpIEhkIDcyMHARG9=ZG93bmxvYWR8SlQwZW1reVkzeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation
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    • http://purl.org/dc/elements/1.1/In PDF document text
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