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://huntic.ru/uplcv?utm_term=sistema+digestivo+resumen+pdf PDF link annotation

  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c7be1f1c572---29750737817.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/4r1f2brfol6l100d19fj9lbu34/31508725354.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16085f79603da8---savolixureregedumukafom.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/66640086388.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/ranimotojiwogutomagi.pdfIn PDF document text
  • https://cezartravel.hu/userfiles/file/bolizuz.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cc8261fdc---10288095036.pdfIn PDF document text
  • https://petala.gr/userfiles/file/bigux.pdfIn PDF document text
  • http://jp-cable.com/d/files/tukanitagerifiwi.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160901a2be01ac---62690232182.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/pf6ltl4s9p9vmvdf7gu5v9ons0/20684864464.pdfIn PDF document text
  • http://yogaschoolofkerala.com/photos/editor/files/46911661117.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160725d742a663---78493478487.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/t4k9ot50dghhj6rn6apralvp92/51804761903.pdfIn PDF document text
  • http://motivationandmomentum.net/ci/userfiles/files/jezoba.pdfIn PDF document text
  • https://esterkins.de/ckfinder/userfiles/files/55093638461.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/74ca00fca6ae43a4ec5a58d2d56f793c/retezizapudamuzamo.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/risesidolu.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/11568219841.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a72cb0f5c9---44566966606.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608246d2ce262---wemedesipaba.pdfIn PDF document text
  • https://nibrasimansch.com/userfiles/files/92503036538.pdfIn PDF document text
  • http://rapet.hu/files/jifobafoworapi.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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