Malicious PDF — malware analysis report

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
• 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://ketchas.ru/uplcv?utm_term=diagramme+des+orbitales+mol%C3%A9culaires+pdf PDF link annotation

  • http://vln.nl/files/file/81816354384.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/5tgf6htos4hkrbspbkqqm1king/buxufukekuzaja.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/947ac471b0862c7f50eb5fdab6a96124/kosorugu.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b18ca93bc95---70767048010.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/sedomideret.pdfIn PDF document text
  • https://service-panev.com/userfiles/sariwepove.pdfIn PDF document text
  • http://ekbdrive.ru/ckfinder/userfiles/files/potaxevakoluku.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/v9767i3dfujbcq46stskn80413/wemej.pdfIn PDF document text
  • http://93564497.com/userfiles/75635073035.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/4ec876650952de39f1774aa034772d42/komiwezeledagurinone.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/n4b3ceiocc2dvoibnjc8n2l65g/fexeturiwuvonajokipava.pdfIn PDF document text
  • https://ddnepal.com/assets/userfiles/files/81485724977.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/6210791284.pdfIn PDF document text
  • http://imobilestore.de/userfiles/file/bulabinaj.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/51a06d87337fd089d1bdffede9bbafdf/80494551261.pdfIn PDF document text
  • http://wallsfamilyreunion.com/clients/876683/File/52142635078.pdfIn PDF document text
  • http://7sate.com/filespath/files/20210814025639.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/widibixopatiwunapos.pdfIn PDF document text
  • https://senarathgroup.lk/assets/media/file/fanavawer.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9c082a99f---zabupakanapofilipumo.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/70460328943.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/wukilizozuxuko.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/599a8013e63ea93e162428e85eff9d2b/25168210403.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///61052299168.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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