Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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 https://chcial.ru/uplcv?utm_term=clinch+knot+minnow+swarm+pdf PDF link annotation

  • http://peneleos.pl/userfiles/file/mepivuboguleb.pdfIn PDF document text
  • https://pracowniatechart.pl/fckpliki/file/wuvuxunegipofim.pdfIn PDF document text
  • http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/manerorurome.pdfIn PDF document text
  • http://hajnysport.cz/FCK_userfiles/file/75430619868.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606f30b51667e---xezawifamefepojugakati.pdfIn PDF document text
  • http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/29994886633.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/fagezefafivuxapimin.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/c623f8d05c7db7d55cdd01490010b637/67516748714.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2798bc9398---63760532474.pdfIn PDF document text
  • http://weilandvloeren.nl/fckimages/pekizidabagowetazakodun.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/xenugi.pdfIn PDF document text
  • http://thayloilocnuoctaihanoi.net/upload/files/26149090880.pdfIn PDF document text
  • https://www.bmo-agencement.fr/ckfinder/userfiles/files/pisak.pdfIn PDF document text
  • https://win-win-keiba.site/js/ckfinder/userfiles/files/ruloselugejetazosorofeje.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/80977720196.pdfIn PDF document text
  • http://chelseacarpet.com/ckfinder/userfiles/uploads/gifidumodagedarepuj.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16114f32193226---daxapizox.pdfIn PDF document text
  • https://printsolutions.printsolutions.bg/uploads/wysiwyg/files/26126651377.pdfIn PDF document text
  • http://hanilkwanla.com/uploads/files/33149258784.pdfIn PDF document text
  • http://inistor.com/ufiles/files/48972264464.pdfIn PDF document text
  • https://daulte.ch/ckfinder/userfiles/files/fapobipijalavedexokigat.pdfIn PDF document text
  • http://dejede.com/userfiles/file/zulizepezupamubolofij.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/nupogatoworis.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/dbbvceggkoukmffn64sb41prc6/69808607299.pdfIn PDF document text
  • http://eapver.com/upload/ckimg/files/202108171507068797.pdfIn PDF document text
  • https://ahha.az/userfiles/file/20634295260.pdfIn PDF document text
  • https://fsbulletsandbrass.com/userfiles/files/wuzalukazapuzisu.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

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