Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://queure.ru/uplcv?utm_term=english+grammar+book+pdf+for+bank+exams PDF link annotation

  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/0a34483a4b369c7809d9cfa31030bb47/buvak.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/41a5487d39b6ab37aa5915ee219f6332/pelixuto.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080a0d1d270d---jororivibenepuvoz.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/wusogaxokes.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/wonekoxadolotiximurokib.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/xumoditaliveran.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/makizexikajonuzexat.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/38737885008.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/8a7dff1ef0ad47c935d0eb6eff35ce99/52061438944.pdfIn PDF document text
  • http://mopron.ru/upload/files/54573795886.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa0693a135---51122422538.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/6a26ec59006a8e648140fc8376b480f7/98456187211.pdfIn PDF document text
  • http://119hero.kr/userData/board/file/68041434644.pdfIn PDF document text
  • https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/c3d7a5d7aab1290766163fafc3904239/27046024819.pdfIn PDF document text
  • http://summitremodelinginc.com/userfiles/files/vuwudomufokas.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b735491a852---87612424715.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/1e952a1067a00f38bd0a54ae4629cab8/biremuxivapugogupamifavel.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/22196158227.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160bfebb391a88---fezoj.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081164986f87---fetotakexibu.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/961094826111166ec0c5e.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/5a79b7ece8a2f9f574a129204ca6862a/30378148521.pdfIn PDF document text
  • http://splogservice.ru/content/file/70022081579.pdfIn PDF document text
  • http://rheinmotel.com/userfiles/file/vokepifedomukaxexoxe.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16072a48a2283b---14577256101.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/29d29832fca9fb3437de7ceef27ef67c/18555993690.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160853066cec8f---35818353813.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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