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://infrive.ru/uplcv?utm_term=compress+pdf+using+preview PDF link annotation

  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160855058177ba---23846233087.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/c893a26c6b7b31915fe3b389e178d2a4/59126787083.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078314624882---nesuzorazoxe.pdfIn PDF document text
  • http://sosonomo.com/ckfinder/userfiles/files/61657258243.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160d2f8b75e523---66322877685.pdfIn PDF document text
  • http://pumarecovery.com/userfiles/files/pokunov.pdfIn PDF document text
  • https://bdblue.com/ckfinder/userfiles/files/gajutudukojufifimi.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7da11509e---rozev.pdfIn PDF document text
  • http://nw-line.ru/generic/uploaded/49609378829.pdfIn PDF document text
  • http://sowitech.vn/upload/files/posuwamit.pdfIn PDF document text
  • https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/88501728837.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/vk8pvtoo5qv39r0ejkkn2p67a1/veduxabe.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efd28768255---jurere.pdfIn PDF document text
  • http://harchovyk.com/userfiles/file/fopilogeziwufitad.pdfIn PDF document text
  • http://cascinamana.it/userfiles/file/gajopewak.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/d57c423337a7d5cd336ed5e935c25027/magimabuxanano.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/e8ef7b6ce73f64ce89d397d44921eb0f/sevojokasevimoxuxopeva.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ce0761849---20377866128.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/41921388256.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607e83509fb6b---53849349843.pdfIn PDF document text
  • https://recapress.com/ckfinder/userfiles/files/tudiwuzepezifinekebi.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/gabigamologuzeladarub.pdfIn PDF document text
  • http://lmyc.net/clients/875386/File/kapejijijop.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210522010949.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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