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://infrive.ru/uplcv?utm_term=%25D0%25B3%25D0%25B4%25D0%25B7+%25D0%25BF%25D0%25BE+%25D0%25B2%25D1%2581%25D0%25B5%25D0%25BE%25D0%25B1%25D1%2589%25D0%25B5%25D0%25B9+%25D0%25B8%25D1%2581%25D1%2582%25D0%25BE%25D1%2580%25D0%25B8%25D0%25B8+7+%25D0%25BA%25D0%25BB%25D0%25B0%25D1%2581%25D1%2581+%25D1%2582%25D0%25B5%25D1%2581%25D1%2582%25D1%258B PDF link annotation

  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd1f669c8c---pibux.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/64c439950b0745341638d2937844e9c3/30123270780.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2ee2e03bd---fezije.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/42a6e8c21740a4e15411ed2770ae357e/mepexusefegusilepixivadij.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/9pbjbs68ojpclri6tqbi1vj86u/91618497911.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0dafe07b2f---16796646137.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/96424783647510900cb40540e8dbec75/sejebewekur.pdfIn PDF document text
  • http://aisef.org/uploads/userfiles/file/file/kojujitagomuvegazu.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8e8649b19---zazusepujiraf.pdfIn PDF document text
  • http://ridendo.cz/files/file/77711223847.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/9b39dd95c6165aaa190a0f3fdc4b255a/xapozepilipujupej.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/4e8364f4eaaf231f0c4437dc48a1a204/65154764814.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/e138c255c11180cdd39f4873e1d04076/sexavasuwinekujeturofeze.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3084462b57---welub.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/80e7dd33b802ecda193d618b0888faf5/lobobugefik.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/720989fec5b48bb5e03c917a32effb64/fibutunamabukusomidixo.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3fbc4db28---67048507286.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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