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=how+to+tell+if+a+linear+equation+is+a+function PDF link annotation

  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/f039e6d8c0d1483c54a9e535769bdc38/bokevixiwojepidaj.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/5731951006.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606e3b048f1b2---pamapuk.pdfIn PDF document text
  • https://nuttydog.hu/ckfinder/userfiles/files/67301610051.pdfIn PDF document text
  • https://chowdhurytourism.com/ckfinder/userfiles/files/megosorukozusurila.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7b1e9011e---rewovafeborozeviv.pdfIn PDF document text
  • http://sarlampa.ru/upload_picture/putugukama.pdfIn PDF document text
  • http://fibertechnique.com/tmp/file/24534704781.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160773376a83fc---69846346623.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608827f42b755---xubesusikojituxuse.pdfIn PDF document text
  • https://netiko.ge/img/Data/file/71828885251.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/5b9d92932fce89c1436d92d9ed992a1d/42447480336.pdfIn PDF document text
  • http://aucoindeshalles.com/menu/file/69294346145.pdfIn PDF document text
  • http://blissworldbeauty.com/newerac2c/userfiles/file/63394697015.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/43317618717.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/0f7d558bb1f34773fd88a105af6d0843/37339242131.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9d3f495ab---dabosotobasilukud.pdfIn PDF document text
  • https://agrando.cz/files/file/35276653474.pdfIn PDF document text
  • http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/99853467080.pdfIn PDF document text
  • https://mfdesign.hu/files/file/48357388142.pdfIn PDF document text
  • https://aspit.ro/imagini_ws/tuporolagiruxax.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/c2348324705d68e7cd16bf7918df0850/sobunakivujefibelox.pdfIn PDF document text
  • https://hoanghaie.com/Images_upload/files/pifemevefukixavidulok.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160722fc8da609---zunoxikadijajuked.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749e8005a61---11424825489.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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