Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b67d1f89fe2f374…

MALICIOUS

PDF

155.0 KB Created: 2021-12-01 03:10:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 485b3813f477d5213766514aceaf527c SHA-1: 2c898de72130ed5e6e7fbd6415d83437ffff9b3b SHA-256: 2b67d1f89fe2f37407d54e4e927b636063fd50a4b8a77558f9e96f20327e9464
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9557

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1617c4a3f91719---sigerabe.pdf In PDF document text
    • http://opsir.eu/files/file/mivukexup.pdfIn PDF document text
    • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/71909248697.pdfIn PDF document text
    • http://residencecarlofelice.com/userfiles/files/82381470813.pdfIn PDF document text
    • https://4cmedica.com/ficheiros_upload/file/25183240363.pdfIn PDF document text
    • https://clubslotalmatriche.com/calcas/file/tulilekugipipivululapazo.pdfIn PDF document text
    • https://mimpisiluman.com/contents/files/73840818050.pdfIn PDF document text
    • https://almondzwealth.com/administrator/imagetemp/file/75233753059.pdfIn PDF document text
    • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ae34ce7958---63056002088.pdfIn PDF document text
    • https://kuepancong.com/contents/files/55802832538.pdfIn PDF document text
    • http://glttek.com/userfiles/file/wevuzuzi.pdfIn PDF document text
    • https://wigs4less.net/nbloom/fckuploads/file/29308314347.pdfIn PDF document text
    • https://kalafiber.com/webroot/js/ckfinder/userfiles/files/dizamixusalewevinapesuveg.pdfIn PDF document text
    • http://zaiger.ru/img/file/10011589583.pdfIn PDF document text
    • http://myhomeinparis.com/userfiles/files/kiwajunasemabuxigo.pdfIn PDF document text
    • http://pharmorgsyn.com/upload/files/32877567732.pdfIn PDF document text
    • https://golf-tout-terrain.com/publish/page/file/rolewakovuk.pdfIn PDF document text
    • http://boschvietnam.com/files/usersfiles/files/waxexurakebovutakazu.pdfIn PDF document text
    • https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/mazosikeravefo.pdfIn PDF document text
    • http://novo-foto.ru/ckfinder/userfiles/files/botemogupo.pdfIn PDF document text
    • http://degeninhotel.ru/admin/ckfinder/userfiles/files/jigavizuv.pdfIn PDF document text
    • http://accronline.com/userfiles/file/zigawanabenunejotaj.pdfIn PDF document text
    • http://kanalizace.instalace-charvat.cz/userfiles/file/reworulelitanemus.pdfIn PDF document text
    • http://sitarofindiamd.com/userfiles/file/volosorojox.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/RhDyTiV0TgQ/uplcv?utm_term=nyu+gallatin+rationalePDF 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_off000203fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x203FC 10308 bytes
SHA-256: 779387801ba6cc393bd7c02bf67adff6bc811e8658e2f25c699801a4797b0a02
font_01_sfnt_off00021b51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x21B51 16704 bytes
SHA-256: d0933fd4b1b8a340828dbe91c3bbc52b9af34666a4a2c9e0bede01ca9e18e228
font_02_sfnt_off000246ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x246EE 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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