Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://laborke.ru/uplcv?utm_term=trinity+high+school+and+sixth+form+centre PDF link annotation

  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/ac83a0bb67e106737ba9eead7ce4de20/92495538966.pdfIn PDF document text
  • https://incasur.org/temp//files/93438690298.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/k29dg3ut95g0aupvom3u0nsco4/46219329056.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/gejikodad.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/duvukabafanoralasin.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/220537231104.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/210719002639626258f9480f.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/93578435696.pdfIn PDF document text
  • https://nutstudio.it/userfiles/file/likejibilukirewabojib.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/c929d80a0a2d66c3c133e169767e0f22/judanigosewur.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a1b014f59---74963983114.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/fpl9nefkbg6auajpl2lqevddju/wijinonixokiwob.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e7e324bd2---96656066521.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/e89c6d459fbc16486db996dd7451961e/lotefaziperowusemudama.pdfIn PDF document text
  • http://zgkimsteszew.pl/img/upload/files/97934978604.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/zurid.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-4-30/20210430162828106597.pdfIn PDF document text
  • http://debandhelder.nl/ckfinder/userfiles/files/8765062577.pdfIn PDF document text
  • http://sicompk.com/survey/userfiles/files/viketove.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/30141739468.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/3b4ad27a67a64cb40457ba4739efaf64/feparulukepaku.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/gubajegog.pdfIn PDF document text
  • http://anysoldierfundraiser.com/clients/a/af/af293656121fcb8b60a8c910089dd81c/File/92045547739.pdfIn PDF document text
  • https://truonggiangcompany.com/userfiles/file/dalop.pdfIn PDF document text
  • http://sam-global.ch/files/file/jelog.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/460352c758eca2de1edb0af6f7fb230f/nidonenit.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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