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://pistant.ru/uplcv?utm_term=android+car+stereo+bluetooth+not+working PDF link annotation

  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/sb5d82s963tbni41d4umhcm3ef/noxediwupibitowigenenod.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/84916801910.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/54053191748.pdfIn PDF document text
  • http://harckocsik.hu/userfiles/file/videmidoxesemevomalewatad.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__61331363659ED.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210903232410.pdfIn PDF document text
  • http://markasib.ru/ckfinder/userfiles/files/89812332099.pdfIn PDF document text
  • https://artedeeducar.com.br/ckfinder/userfiles/files/98783830732.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16130ebdf47c14---batorufuji.pdfIn PDF document text
  • https://suativisamsungtaihanoi.net/upload/files/18142398466.pdfIn PDF document text
  • https://evpersoneli.net/ev-personeli/file/72676151021.pdfIn PDF document text
  • http://naso10.com/userData/board/file/jigotiwe.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16139232bc7475---24822954116.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/2pq1nchvcrc8f9lt9bfad2gded/xuvakevokon.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/5662083354.pdfIn PDF document text
  • https://inwestorfinanse.pl/userfiles/file/todiwejemutitumogixam.pdfIn PDF document text
  • http://vallovin.it/userfiles/files/kanuwibasebizizerigipas.pdfIn PDF document text
  • https://sandipkumardutta.com/ckfinder/userfiles/files/36870320680.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/kitasamisurusadubof.pdfIn PDF document text
  • http://altera.ukrstroyka.com/content/xuploadimages/file/25363091585.pdfIn PDF document text
  • http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/bidunokepuzokaxobeje.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/36927225465.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c98072cfff---xojukotinuwiw.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9b0c669b1---liriwagojudekezug.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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