Malicious PDF — malware analysis report

Static analysis result for SHA-256 793d04f55596b7d7…

MALICIOUS

PDF

86.1 KB Created: 2021-11-02 00:12:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 1a291999aad04d8f1beffeb88841bfb1 SHA-1: ba0a99b0d14127838225fb64f07c6853a5ce4469 SHA-256: 793d04f55596b7d7ef4c7109081bfe4ad2617e4ea91c22ed0e1a92d3d959d2a9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://svarovanijelinek.cz/ckfinder/userfiles/files/59355585265.pdf In PDF document text
    • http://taxicityplus.ru/userfiles/file/67102868531.pdfIn PDF document text
    • https://justtigers.com/cmswithfiles/file/8741078318.pdfIn PDF document text
    • http://vkp.ru/upload/global/file/ravazibaraveropoxod.pdfIn PDF document text
    • http://cpgny.com/userfiles/files/21197456491.pdfIn PDF document text
    • http://www.peritaonline.es/ckfinder/userfiles/files/posenazomufaw.pdfIn PDF document text
    • http://novosib-sport.ru/ckfinder/userfiles/files/96732102469.pdfIn PDF document text
    • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad3e3e49d4---65695793713.pdfIn PDF document text
    • http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/66437495900.pdfIn PDF document text
    • https://nirmalujjwal.com/public/ckfinder/userfiles/files/38567210420.pdfIn PDF document text
    • http://www.recko.ru/ckfinder/userfiles/files/37286461567.pdfIn PDF document text
    • http://mos-craciun-inchiriere.ro/fckfiles/file/7330507464.pdfIn PDF document text
    • http://www.jucadent.es/ckfinder/userfiles/files/66008940841.pdfIn PDF document text
    • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/fb2f43a4827aec7e6cbc1033d4bddeb2/6269250756.pdfIn PDF document text
    • http://jcsh.bluezp.com/ckfinder/userfiles/files/bilitefavas.pdfIn PDF document text
    • http://kingswaytyres.com/project/kingsway/uploads/file/nejerujokanabori.pdfIn PDF document text
    • http://elektro-galerie-hamburg.de/userfiles/file/lovolob.pdfIn PDF document text
    • https://floridainvestment.cz/files/file/zodoz.pdfIn PDF document text
    • https://gebzecelik.com/userfiles/file/disuze.pdfIn PDF document text
    • http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/5895798618.pdfIn PDF document text
    • http://mesterteto.hu/userfiles/file/50109870644.pdfIn PDF document text
    • http://nfc-lampang.com/user_img/files/xujanimonerebaxajunivutu.pdfIn PDF document text
    • http://yoshitomo-kokubunji.com/jcfiles/file/lelisuxawamobuvagabe.pdfIn PDF document text
    • https://safetypadlocks.eu/eurostyl/photos/file/wupejowexelafajofu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/4dZi1sgP-vI/uplcv?utm_term=chinese+pork+spare+ribsPDF 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_off0000eb5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB5D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00010374.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10374 10468 bytes
SHA-256: e9a80b02641945ab931bc4c7ed5ff731f87045a0a91b52b8a83997ab779f775b
font_02_sfnt_off00011af0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11AF0 18340 bytes
SHA-256: f10d70dd65beb877c3d6269ba2799df9b244fecb302a1d128ae3f6d8ddfc9169

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