Malicious PDF — malware analysis report

Static analysis result for SHA-256 793586cbb96d05d4…

MALICIOUS

PDF

73.4 KB Created: 2021-12-13 00:15:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: a6c131a9276e36055cc0e51d5227839e SHA-1: f40250ba8134644ca099e8c42f523c98124a24b8 SHA-256: 793586cbb96d05d43181282ef32d44f52da3fadea58d3802f404c977a92d6014
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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://tiguan-wiki.ru/file/46026087199.pdf In PDF document text
    • https://nieruchomoscikomercyjne.co/files/file/depeguk.pdfIn PDF document text
    • http://marktoby.com/akram/know_news/admin/userfiles/file/44602418021.pdfIn PDF document text
    • https://pmrmhss.com/userfiles/file/78076676362.pdfIn PDF document text
    • http://www.smartusb.info/images/library/File/fewedumexujibedufomisaz.pdfIn PDF document text
    • http://annamsaigonlaw.com/upload/files/81800989107.pdfIn PDF document text
    • https://associazionebriciole.it/public/file/57094090376.pdfIn PDF document text
    • https://franchise-vietnam.com/app/webroot/img/files/lesudegabokupakagofi.pdfIn PDF document text
    • http://kondicionery-dzerzhinskij.ru/upload_picture/file/29795340101.pdfIn PDF document text
    • https://kipass.fr/userfiles/file/72708524670.pdfIn PDF document text
    • https://1ar.sa/userfiles/file/zevavewugatovateb.pdfIn PDF document text
    • https://harrisitalia.it/uploads/file/zukowanam.pdfIn PDF document text
    • http://ourpreferred.com/userfiles/files/gaxajabogaribipopilo.pdfIn PDF document text
    • https://servingltda.com/userfiles/file/mutebadimipep.pdfIn PDF document text
    • http://rkmaster.ru/uploads/files/92832042112.pdfIn PDF document text
    • https://opescom-store.com/uploads/FCK_files/file/83993719013.pdfIn PDF document text
    • http://agmapure.com/upload/files/62526053623.pdfIn PDF document text
    • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/8976aec8209cb45f08781bb7b62bb750/dogukorufumemixegumi.pdfIn PDF document text
    • http://asijskepotraviny.cz/files/file/bakebazitakaxepubamapisal.pdfIn PDF document text
    • https://akemi.ro/hirek/file/foxasulanodoxid.pdfIn PDF document text
    • http://vipdiler.ru/files/file/surizetavudezawazomux.pdfIn PDF document text
    • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161917faa16c2d---26665125007.pdfIn PDF document text
    • http://altinay-law.com/images/file/153492103.pdfIn PDF document text
    • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/40350631668.pdfIn PDF document text
    • http://remont-etalon.ru/upload/files/zodisotavavozoxuwufelu.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/EqozwcbAC44/uplcv?utm_term=is+spa+worth+itPDF link annotation
    • 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_off0000bae7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAE7 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000d18b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD18B 10104 bytes
SHA-256: 4027976dd99038de0c1f41eb2b66f9b618ae30dbc5748c77703ebcecf22fd8c6
font_02_sfnt_off0000e848.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE848 18724 bytes
SHA-256: b79765cd93c6529b81f413510ec82de55b7ac30267b808f3b3c18cdf19fbe978

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