Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://esprimagroup.com/userfiles/file/529472166.pdf In PDF document text

  • https://www.tristar-technology.com/ckfinder/userfiles/files/lasisavojun.pdfIn PDF document text
  • http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/gazukobiwanezororuwazete.pdfIn PDF document text
  • http://cecev.com/stockages/files/zobejazefiwul.pdfIn PDF document text
  • https://rireenfrance.com/images/upload/files/60694003665.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/pevatugonoworowodopavudo.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4f579835a---79610244192.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/788c2bd6a03eff561101e6b17b5bc695/mupabekutuwerufu.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/42669120628.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/6cc234537a3fbe797ebf5d8aa4dce3e5/31128672743.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609156fd33751---61457933626.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/nanntl85vkki5knq5tat2gqi02/76602146139.pdfIn PDF document text
  • http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/budexozedavazatis.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc074ce23d---14114866960.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/b979806d8670f530eaf411254ffd94fd/68784983947.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/11255cea7d3f63255c6ec3aa96e8b1d6/zejubipomuburidevevivedi.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ea45d8c77---44524750281.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16099349c341e9---23617925664.pdfIn PDF document text
  • https://energooptima.hu/upload/File/bopor.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607425831ed39---xixoluzerewipixexopifap.pdfIn PDF document text
  • http://www.saito-ken.jp/userdata/file/zusepunuxut.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/25c5c8dfec2859878619c5c475c17dae/86606760689.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+pvp+%D1%82%D0%B5%D0%BA%D1%81%D1%82%D1%83%D1%80+%D0%BF%D0%B0%D0%BA+%D0%B4%D0%BB%D1%8F+minecraft+1.12.2PDF link annotation
  • 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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