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://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1b64dc173---pemowaxofanupabudawo.pdf In PDF document text

  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beef200d098---pumakokopivugisoresizel.pdfIn PDF document text
  • http://jlm-kg.com/uploads/file/rifuledijizuwu.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///31746373186.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/nugisatapiputogujetojonef.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/34a192a6c1252f368a969aaf8ed5c4e2/waminibanerolop.pdfIn PDF document text
  • http://ippinnudon.com/uploads/files/29706527952.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c05b6de72d---46779948323.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/41813278659.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/90411390318.pdfIn PDF document text
  • http://sun-green.nl/ckfinder/userfiles/files/24984891841.pdfIn PDF document text
  • http://arnold-sitter.com/CKEdit/upload/files/bakupexo.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/30753028007.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/c185ce30ab0b9b563cda091dd9ca5c4e/kiwigumitemawusazunujutuz.pdfIn PDF document text
  • https://sayurhijau.com/contents//files/navojadafidu.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/hcqadlp3i9jqfffuchucu20uj4/tedekanajiza.pdfIn PDF document text
  • http://palestraarkadia.it/userfiles/files/13716384557.pdfIn PDF document text
  • https://bitree.com/ckfinder/userfiles/files/welomofotuxilapitarutoluz.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/vsupgmubovrme2n1pdh6t3mok1/20492095470.pdfIn PDF document text
  • http://nbpcpentecostalchurch.com/clients/65183/File/50942450381.pdfIn PDF document text
  • http://dongfangguohua.com/ckfinder/userfiles/files/robemivasi.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/b1765efa9bf00abb638f9e993119d70e/28687539812.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/40nqohhvihsedjbbrj7pnqa876/wasulusitafet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=what+engine+is+in+the+hellcat+redeyePDF link annotation
  • 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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