Malicious PDF — malware analysis report

Static analysis result for SHA-256 af206fb1e5a2dff6…

MALICIOUS

PDF

56.8 KB Created: 2025-05-11 08:02:00 +01:00 Authoring application: mPDF 6.0 First seen: 2026-06-21
MD5: a8030215d99611e7cdced7cd48b435d3 SHA-1: 021fcc9e94b16c88147044a8d38a137aeec75c04 SHA-256: af206fb1e5a2dff69d2054cb1a1aaa3f42df82200a419b11294c08052b7e626e
72 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0019

Heuristics 4

  • Secondary embedded PDF body has suspicious static findings critical POLYGLOT_CHILD_PDF_STATIC_TRIAGE
    A valid PDF body was found at a nonzero offset inside another container and its carved contents matched PDF exploit or lure heuristics. This catches polyglots where the top-level magic routes to ZIP/OLE while a PDF reader or downstream parser opens the hidden PDF payload.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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 https://coachhire.com.au/confirm-order?qid=VFdwQmVVNVRNSGRPVXpCNFRWRTlQUT09Zkh4WlRFTlRVREF4TkRBeU5qa3k= PDF link annotation
    • https://coachhire.com.au/pdf_invoice.php?id=RWNtSm91bmV5fHw0MDI2OTI=&v=1746946920In PDF document text
    • https://coachhire.com.au/termsIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000021e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x21E8 26192 bytes
SHA-256: 1a56ba1bf68f5240c6fa883f21c292901726c565d1d1da1bfb83f303f88bca2e
font_01_sfnt_off000058f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58F4 27040 bytes
SHA-256: f02f0deeae9fc99e362302984d4b819ab41692b4540fcdc15039675d31c72694
polyglot_child_pdf_off0000000f.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0xF 58162 bytes
SHA-256: 95ca67c455f1a83c08acab846b665330fe7d5347d52a7a61b000d68db7808065

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