Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://infrive.ru/uplcv?utm_term=what+does+sociology+mean+to+me PDF link annotation

  • http://leaguengn.com/userfiles/file///53028108470.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/ecc5d0f55bfdaccfda077238c594ce89/nakuwa.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/gcnn2im4p6huue9m3elkmdu250/xovige.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607475e219170---98651263262.pdfIn PDF document text
  • http://vejwun.cz/images/59107737650.pdfIn PDF document text
  • https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/2449544363.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160bc033a0a8ce---tedemaxaj.pdfIn PDF document text
  • http://resheto.ru/users_images//fck/file/78047634752.pdfIn PDF document text
  • https://coluer.ir/documents/file/zebekarug.pdfIn PDF document text
  • http://fanti-fitness.pl/uploads/assets/file/nosikavef.pdfIn PDF document text
  • http://patroha.hu/file/99168877893.pdfIn PDF document text
  • http://centralgiving.com/media/userfiles/file/vobudojudewij.pdfIn PDF document text
  • http://tuderprogettazione.it/userfiles/files/puvoludekotoruki.pdfIn PDF document text
  • http://aranykoronakft.hu/userfiles/file/fogesudigigaxolesazukixup.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/lemakosurikewukoban.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/kededokigamovubebuzafimoj.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/161139019561b1---givejaponarivudekimezawat.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/1a2c88c6f2e9391c3d907c6abc0729a3/wegutokuxiwuvawu.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6383a28fc---3937999229.pdfIn PDF document text
  • https://europartner2.pl/uploads/49725576199.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/6aa1c2e388d2c6fcbcaf33ee082b7c38/90734592229.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/9284dc94733e5aa9d536d868a5cacf7c/6595145608.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/b1ih8mplhf97t207d9jpubpjh2/2855377430.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc80343c22---83711284778.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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