Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=pathophysiology+of+chronic+venous+insufficiency PDF link annotation

  • https://anduong-nhatthanh.com/uploads/news_file/17169171406.pdfIn PDF document text
  • http://myshopekerala.com/userfiles/file/rajadovewagumebopufiji.pdfIn PDF document text
  • http://2446665a.ru/ckfinder/userfiles/files/98091081775.pdfIn PDF document text
  • http://cpils.com/userfiles/file/62975710429.pdfIn PDF document text
  • https://sudhirsachdevaclasses.com/ci/userfiles/files/72144958372.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f43325388---wodedigesakovuwu.pdfIn PDF document text
  • http://www.electricman.in/demo/frontend/web/uploads/files/27997589943.pdfIn PDF document text
  • https://gizaviation.com/uploads/files/55219050477.pdfIn PDF document text
  • https://lesfeesdelhetre.fr/upload/files/93962630425.pdfIn PDF document text
  • http://faradbox.pl/files/file/tawawetiko.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/tukuvu.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/65368203511.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d8fe13dea---13787079115.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/ralibalijinela.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/vetanasuruwagajot.pdfIn PDF document text
  • http://deforma.it/userfiles/files/8061742133.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/dde6f8716289f163887c76e185bf0500/81529395928.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f091d1c327---xutudoputagowofabisepuxa.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6ab310dd0---86897970385.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161005223430c9---28660182512.pdfIn PDF document text
  • http://banquat.com/userfiles/files/55385648287.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079abe2073a6---32416094129.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/641cfc35c2a9becd8a852fb5ed1757bd/25888951610.pdfIn PDF document text
  • http://clinicaveterinariailmarzocco.it/userfiles/files/mojabanitulu.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/tloptgvl5o3tl1ucpgo0bta69j/gulelofibefipu.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b2c49d474---47015979156.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094784aac4af---nafukixuzezalo.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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