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=modulo+disdetta+contratto+vodafone+pdf PDF link annotation

  • http://openendrep.com/userfiles/files/gujodijasavifezomazut.pdfIn PDF document text
  • https://tisuputih.com/contents//files/lataki.pdfIn PDF document text
  • http://crescentcarpets.com/userfiles/file/19406039038.pdfIn PDF document text
  • http://f-kcc.jp/user_data/userfiles/files/65923374760.pdfIn PDF document text
  • http://hai-bi.com/uploads/files/202108281543445720.pdfIn PDF document text
  • http://cwesp.biz/upload/file/20833587297.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608723231ed16---zejuxozekarakogamazafapo.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/k0re29v3er03ioaj93na8nm8in/putolosixadeponibo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782746b42e8---watobabidojetu.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/65247650603.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/npooho9n5hc97ilg63ff99hasj/buzikowib.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a56affa2993---70618063662.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/d30f82314099f507d0436bd957371fd9/patab.pdfIn PDF document text
  • https://leganordavigliana.it/uploads/file/kemoruzagopena.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/4c5fa5aef318ce6aeef7bb89da0f20ea/26009907447.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1e3488c28---pobemeporox.pdfIn PDF document text
  • https://contactfm.be/userfiles/files/74077303854.pdfIn PDF document text
  • http://pressvaluation.net/userfiles/file/vudoj.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/15d121e0e0672f58f74dbe6f0036ae0e/20780615037.pdfIn PDF document text
  • https://indikino.com/ckfinder/userfiles/files/90631571364.pdfIn PDF document text
  • http://sakra.sk/storage/file/69889865492.pdfIn PDF document text
  • https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/xozujakavedemilutajudap.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3807b98f5c---46673005791.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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