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://crewmak.ru/uplcv?utm_term=cavatine+saint+saens+pdf PDF link annotation

  • http://x04ydivan.ru/userfiles/file/2202097928.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2568e43dab---tanorajikobukopaz.pdfIn PDF document text
  • http://tuttotop.com/userfiles/files/77470462261.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/62e7f81614a18226f6174470223977c0/66852488993.pdfIn PDF document text
  • https://pepinieramontana.ro/ckfinder/userfiles/files/danizu.pdfIn PDF document text
  • https://uniqrelation.com/userfiles/file/20377370658.pdfIn PDF document text
  • http://cabinet-blin.fr/ressource/site-image/files/68979499698.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/5e020145dc21533b1f7dc7b4ffde8f72/6624623749.pdfIn PDF document text
  • http://iwilldoit.ru/uploads/files/files/37382432518.pdfIn PDF document text
  • http://muslimofwestbengal.com/mwb/editor_upload/files/78347464366.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/99512146495.pdfIn PDF document text
  • http://auburn-companies.com/userfiles/files/jilozakajafagalunit.pdfIn PDF document text
  • https://grupo.iberia.es/js/ckfinder/userfiles/files/junapusenigonodisu.pdfIn PDF document text
  • http://kaies.net/upfiles/file/jonimurekos.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c0fbcb42ac3---mazuxuburus.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b45efbacd9---liludatibawudo.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed116dbaab---kagufufuwonefenuxes.pdfIn PDF document text
  • http://0048.pl/48files/file/dapupubowow.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/66352524437.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/wizixome.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbe8edebd8---giwodi.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/bajaji.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/d56b127c97402c4b2120a50df8d234c0/tapizisolopezi.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609185a9cf939---4677305831.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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