Malicious PDF — malware analysis report

Static analysis result for SHA-256 af26ec1e96f0cb1c…

MALICIOUS

PDF

161.0 KB Created: 2022-02-26 15:48:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 29b9f63e0c54c8e4be5ae57690d87bc9 SHA-1: b30e5d70cf88b2a82234cbcf92f893857989b08c SHA-256: af26ec1e96f0cb1ca7a0123c1e3b2f5000d5adfbe847e28b9c21fcfaaff4d490
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9681

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=apple+logo+hd+wallpaper PDF link annotation
    • https://sofahatinh.com/upload/files/gumawotuxakuje.pdfIn PDF document text
    • https://immo-cjeanpaul.lu/userfiles/files/konugi.pdfIn PDF document text
    • http://remont-etalon.ru/upload/files/tofuga.pdfIn PDF document text
    • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158fe3c36dba---jokafosexaxavo.pdfIn PDF document text
    • https://artenika.pl/fck/file/batonofuxibizaw.pdfIn PDF document text
    • http://obrienbuilders.com/userfiles/file/91949117240.pdfIn PDF document text
    • http://ap116.ru/userfiles/file/87748035275.pdfIn PDF document text
    • http://laeuferdatenbank.wkel.de/UserFiles/File/xefasekuziweb.pdfIn PDF document text
    • http://thehedgerowchronicles.com/ckfinder/userfiles/files/suwozebegotezefeli.pdfIn PDF document text
    • http://www.deopendeur.org/imgUser/file/zexatirapofuwijava.pdfIn PDF document text
    • http://everest-c.ru/ckfinder/userfiles/files/65956980443.pdfIn PDF document text
    • https://liho.cz/UserFiles/File/28122385210.pdfIn PDF document text
    • http://jcbcharpentebois.com/ressource/site-image/files/motigojififapute.pdfIn PDF document text
    • http://jplus-ag.com/upload/files/BodyFile__61AD83B4AD3EA.pdfIn PDF document text
    • http://pickup-ws.com/userfiles/files/toxirusurebokefitilixiw.pdfIn PDF document text
    • http://automotiveenergy.cz/userfiles/file/dadatitisepaf.pdfIn PDF document text
    • http://realfootball.gr/userfiles/file/96626295150.pdfIn PDF document text
    • https://ontogepszerviz.hu/editor_up/39722919988.pdfIn PDF document text
    • http://85560891.com/upfolder/e/files/20220116180410.pdfIn PDF document text
    • http://gpszone.hu/upload/userfiles/file/vuzifikoguser.pdfIn PDF document text
    • http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/81237353071.pdfIn PDF document text
    • http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/57131151734.pdfIn 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://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In 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_off00021669.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x21669 18648 bytes
SHA-256: d1cdbee4d65a9cf9e5f70ea88f08f43b7a2dd55d2d0e6b3d84e84c1d23bc5788
font_01_sfnt_off00024766.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24766 10276 bytes
SHA-256: de8bff0e8b78e2b9c3b87e46552b275eeb623d1f122330dc1717647ff1885a49
font_02_sfnt_off00025e82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25E82 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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