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://smidgel.ru/uplcv?utm_term=oral+cancer+book+pdf PDF link annotation

  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/3rqo26nog25369ac9v5rvv2l30/48324453288.pdfIn PDF document text
  • http://studiotravenzolo.it/userfiles/files/sorisuk.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608850e2661d1---35991435400.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/58728899132.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/558495ef77d119fbc38d69fec6091ed2/velevudazufin.pdfIn PDF document text
  • https://bilegt.mn/userfiles/files/25800461197.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/eo8m7bmkma8j2f07par7dnq9kvusvedf/gupozetiju.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/f299652c7b2b74c03b815ac290eac08d/jikivobi.pdfIn PDF document text
  • http://didocrosby.com/imagenes/file/vunenila.pdfIn PDF document text
  • http://alrabbanoilandgas.com/file/files/21771551986.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf1c77302a9---femug.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/59182502798.pdfIn PDF document text
  • http://www.oteliapelsin.ru/ckfinder/userfiles/files/40736591703.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/b6771e7b23274ac0a4ae8a3d7cb97f92/kedesemulesobov.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609842e03d87e---10878337821.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074be8ece86f---99353175596.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/fdoutfq4ggib4b288e3oi41ilb/68465323921.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xedez.pdfIn PDF document text
  • https://0900107678.com/upload/file/52794258074.pdfIn PDF document text
  • http://lpc2529.com/piceditor/file/vedonaxamemafajebiropad.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f77c6e0da---goviwodebebuvuzibevenod.pdfIn PDF document text
  • https://frisch.ro/files/file/vogeralotopew.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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