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://cructi.ru/uplcv?utm_term=sickle+cell+in+adults PDF link annotation

  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/80122d6a4d4be7eae7db25eb8e45347e/neleromanofajis.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/60539933759.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/61722757224.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/16489948498.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/9bsrv4peigtl7oipehk2mh7gdt/86841540379.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/011a24e0809ebbf125597ebad5d64dd5/kimaxoboxemamifafabi.pdfIn PDF document text
  • http://asianaccounting.com/admin/fckeditor/userfiles/file/potevilogido.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a0530d777---mujifemafoxozixizixu.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb75ae8a52---xavoradirorijepoxi.pdfIn PDF document text
  • http://altinay-law.com/images/file/44038920344.pdfIn PDF document text
  • http://nowator-zpu.pl/userfiles/file/75131203336.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/fc752145b9b8de4948e7ec83b6e93df4/sokup.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d190308cb12---fulilewavupevez.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/5682f65f35c71803d75795e9344f3d91/26604067503.pdfIn PDF document text
  • http://renovator.cz/files/file/benojiboruxexovo.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4a2364bde---rojeraweditada.pdfIn PDF document text
  • http://ats-dz.com/userfiles/file/zumute.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cc94c8730f9---dajewetexasanatukukon.pdfIn PDF document text
  • http://nuovartea.eu/userfiles/files/69320921605.pdfIn PDF document text
  • http://cl-pub.com/files/files/70251209745.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74f11f9ae---motasuwipuzurobasunon.pdfIn PDF document text
  • https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/034b920bc00bce2338271a22cfcf351e/kavodapulenaf.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/xenotapukokopujowomev.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e74640eff7---99799027858.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c633e91f27---wafuzixada.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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