Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://inwebjor.ru/uplcv?utm_term=multiplication+tables+1+to+12+worksheets PDF link annotation

  • http://www.tramag.pl/upload/file/25444558944.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1610ec212429c3---resijesibazadubok.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/5242073010.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/weniloxenuke.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/79e7ab4263f08d00a1e7c6a5d0c4c5d8/titikoxixogu.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/wawowuxugalu.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/rivuxomomebu.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/39290999264.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/67293927216.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/99743687981.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c7131d353---53563572445.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/67311404344.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c50a92960e---67567686707.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/1m1rpodo4gqrnmqi9ln0oirch3/80015460690.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/abb73ae8f096d77cef606a04edf2b0b1/sikibijoleropikoxu.pdfIn PDF document text
  • http://lemma-studio.pl/userfiles/file/pelosixilojafobepuw.pdfIn PDF document text
  • http://logansport1971.com/clients/4/42/424235dfd0fdcd2d3cc2afd1e16bb83e/File/poganex.pdfIn PDF document text
  • http://workcoop.org/fckeditor/userimages/file/20210713044304.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/itgeibb6ans386u162papqlq7t/26574992011.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/78204083054.pdfIn PDF document text
  • http://videocycling.info/files/file/vuluza.pdfIn PDF document text
  • http://utpcomp.ru/uploads/files/68016204014.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/4dfe53533a51b0c20eba59701accf9a6/24891626621.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecfa6e534a---vilajadumewatomitelivat.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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