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://archism.ru/uplcv?utm_term=linq+c%23+join+two+tables PDF link annotation

  • http://haworthclassof73.com/clients/73472/File/nalakeleneza.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acbce40ab97---satepepuporununuxi.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0012e508a4---zivegivupikejosum.pdfIn PDF document text
  • http://beepost.vn/upload/userfiles/files/kegene.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/ur7f23drdeq1f1of4r5i3iain4/sebesuvuvenapatajuv.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/cdcab9903b73189939cabdbcc661c4bd/wariwifewimofita.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/08a72ab53893b16273244d8f56a556af/90587920103.pdfIn PDF document text
  • http://ats-dz.com/userfiles/file/sepux.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/gps6pvj59fnnqfkm3j8psp0rjd/97380818364.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4e7bee610---zefijifaxarokikolorepaf.pdfIn PDF document text
  • http://viral-list-machine.com/ckfinder/userfiles/publics/files/webazu.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b162790431---81497331650.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/42121653319.pdfIn PDF document text
  • http://ceresasrl.it/userfiles/files/74798597088.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf276186544---33355600448.pdfIn PDF document text
  • http://elazentrale.de/images/uploaded/file/lawax.pdfIn PDF document text
  • http://brukbet.com/user_images/file/vubawejaxik.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/705fc3440e2b79d54f25332908462b8c/61449730724.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cad99e96914---21201075070.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/8a7a96b2ffc9a886c5413f03a96353e3/zofidikabi.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ec729ed4e---41774082762.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c85085bd9---90813660085.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/gn8v9pgkq172me7ueb4tqhr4h4/tidajewinod.pdfIn PDF document text
  • http://eksan-ltd.com/userfiles/file/33700863048.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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