Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2297d693a087740…

MALICIOUS

PDF

168.6 KB Created: 2020-12-04 13:56:43 +03:00 Authoring application: mPDF 7.1.0 First seen: 2023-12-11
MD5: ede2e15223b74e42f048daf2006588d0 SHA-1: 84f6ac4a15d8128d651133f13d1e96471cf679a0 SHA-256: b2297d693a087740488ab03317a2cc48032d29b1db87443ffd83e8ef7951b929
72 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0004

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/canadian PDF link annotation
    • http://galenbio.com/images/upload/dewalt-dw733-parts-manual.xmlIn PDF document text
    • http://arcdesantmarti.com/biocop/Images/images-editor/6es5-460-4ua12-manual.xmlIn 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_009_off0000714d.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_009_off0000714d.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_009_off0000714d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x714D 20040 bytes
SHA-256: f74ee16628f0d619351c153107c4fbfa7a2dc2cf01b01b228cedc75a53622b4b
font_01_sfnt_off0000a74c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA74C 19964 bytes
SHA-256: 5154a7c8cf7a9b55c2f939ad6a4a8f8327cd6552b9f68a87c49d10dfc747eaa8
polyglot_child_pdf_off0000000f.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0xF 172661 bytes
SHA-256: ac73cc21654d435432f39fead7eb4626c9eccbda567a24911630a28f393932bc
polyglot_child_pdf_off0000001e.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0x1E 172646 bytes
SHA-256: 550ce37cad10c3e2e8345227b384d75d022728ceae28e771b4ced67af1b4c9ce
polyglot_child_pdf_off0000002d.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0x2D 172631 bytes
SHA-256: 8090be4bcc2186a07df95d9cba91ea59ab1a83d4afca680cf90d8b5ba7da1989
polyglot_child_pdf_off0000003c.pdf polyglot-child-pdf Secondary PDF body inside pdf container at offset 0x3C 172616 bytes
SHA-256: fb400ba0c5a199e097c7688c42705f7436d651e1a78293c4d3ce22eda65bd2dc

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