Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccee24fda0070d04…

MALICIOUS

PDF

87.8 KB Created: 2022-04-14 04:36:00 +03:00 Authoring application: mPDF 7.1.0 First seen: 2023-12-06
MD5: 1b4cdf03ef5d46e35f7bf2a2b7a056ff SHA-1: ee3d4a2055b97619da91fdf88b7c955b0ef7f5d2 SHA-256: ccee24fda0070d042656ccce0ecb7991ab934e7500ab9a9e83c2f48720a2d93c
72 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0011

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://srwt.ru/pdf/como PDF link annotation
    • http://cpils.com/userfiles/carvewright-software-manual.xmlIn PDF document text
    • https://ecatts.com/userfiles/carver-tx-11-service-manual.xmlIn PDF document text
    • http://www.raumboerse-luzern.ch/mieten/bosch-shu6805uc-manualIn PDF document text
    • http://directealgerie.com/images/c-populate-a-dataset-manually.pdfIn PDF document text
    • https://jdlgroup.ca/images/c-manuale-di-programmazione.pdfIn PDF document text
    • https://www.thebiketube.com/acros-bosch-shu9915uc-repair-manualIn PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (stream_006_off00004f70.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off00004f70.bin)
🗂 Part of campaign: secureserver.net 1471 samples

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off00004f70.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F70 19940 bytes
SHA-256: 66724e8296e7c7dc88c4f569e3558e3e2c9eda2fa6c8d3a4f285a9c40c94b565
font_01_sfnt_off00008538.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8538 19964 bytes
SHA-256: 5154a7c8cf7a9b55c2f939ad6a4a8f8327cd6552b9f68a87c49d10dfc747eaa8
polyglot_child_pdf_off0000000f.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0xF 89899 bytes
SHA-256: 296763fcbbe477050373eeb4469d647b108394a619017c4e9812bcb16990edb3
polyglot_child_pdf_off0000001e.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0x1E 89884 bytes
SHA-256: 7630ce9d90692030adb8943c58ed45ab56763fe493e27e9f5aca34a6a35f9d8b
polyglot_child_pdf_off0000002d.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0x2D 89869 bytes
SHA-256: 12027640b09f56856a263ab0e500e600895b9e67ea9fe381c90d6ae4d5c9232e
polyglot_child_pdf_off0000003c.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0x3C 89854 bytes
SHA-256: 43d9b693893506032724db7884dfb6a67004398350de31d3f8e9cdb136ae0576

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