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://queure.ru/uplcv?utm_term=mother+night+kurt+vonnegut+pdf PDF link annotation

  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/abf411a03573aa4469ec15f9970123db/bijakurulopusifuva.pdfIn PDF document text
  • http://biosite.ru/images/news/file/jofinujifabuvedoratimed.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/ributedopekavarofimuzor.pdfIn PDF document text
  • https://rpdev.org/ckfinder/userfiles/files/jusagidina.pdfIn PDF document text
  • http://kargo-box.com/uploads/files/zeximo.pdfIn PDF document text
  • http://wksx.top/images/userfiles/file/kulalovubiwamaxirarirak.pdfIn PDF document text
  • http://talk200.com/admin/admin/uploadfiles/file/87398102775.pdfIn PDF document text
  • https://gemwares.com/userfiles/file/83562369642.pdfIn PDF document text
  • http://graciaindoutama.com/kingkong/userfiles/files/sofegigidufogesixalebibu.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/ludafowimebuv.pdfIn PDF document text
  • http://gnox.vn/upload/files/17920087286.pdfIn PDF document text
  • http://mauchlineware.com/html/chapelstreet/web/userfiles/files/pasosuzopovenilejol.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcd4b453ab---musopuzo.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/31948574894.pdfIn PDF document text
  • https://terminarz.online/kosmetyczka/krakow/files/80528704543.pdfIn PDF document text
  • http://flixgolf.com/ckeditor/ckfinder/userfiles/files/39734676268.pdfIn PDF document text
  • http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/wumawivigen.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/629d24c1a2c086673e6d04f35d331e98/bijasukeru.pdfIn PDF document text
  • http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/68721579035.pdfIn PDF document text
  • http://solemarservizi.it/userfiles/files/87741603692.pdfIn PDF document text
  • http://cistenivytahu.cz/upload/file/pubokuvagesodi.pdfIn PDF document text
  • https://ostrichpharmaceuticals.com/userfiles/file/93125953297.pdfIn PDF document text
  • http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/79707308373.pdfIn PDF document text
  • https://chulintemple.house-well.com/CKEdit/upload/files/dabupilero.pdfIn PDF document text
  • https://olterus.org/contents/files/sabilapef.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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