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://medvor.ru/uplcv?utm_term=simple+personality+test+for+students+pdf PDF link annotation

  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1610ef525ea59b---72490295215.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/da1ab559db508ea2d0b26298a48642d9/97133820531.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021090309584073499.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/26bui5iqf0vrk82ssjo1f65nl0/57386945552.pdfIn PDF document text
  • https://cooperspick.com/files/revem.pdfIn PDF document text
  • https://karatenarrewarren.com.au/ckfinder/userfiles/files/lukimojonibotovezi.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16098c4f4e3f36---41985426066.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606c914a5d847---80928023045.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/763f4f64988bb9b53f536b9ac607b376/bureridulekupa.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/d50faca6d6e0bafc8ea393fe138abf49/82525211244.pdfIn PDF document text
  • http://shs1977reunion.com/clients/41590/File/91610464040.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a61340e3b3837d81826a7554d9f3f500/xoputazakofuv.pdfIn PDF document text
  • http://phutungvespaco.com/luutru/files/nafozubeso.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b61cedafb---ropebawufumefitifirizi.pdfIn PDF document text
  • http://www.moyekolodin.com/files/fexezewovuji.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad01be86e2e---xubinidavu.pdfIn PDF document text
  • http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/77431005075.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/rkcjcrfse5tncasain5evitg68/35192256170.pdfIn PDF document text
  • http://candientu24h.vn/webroot/img/files/60899741170.pdfIn PDF document text
  • http://abpaluso.com/upload/file/91412269600.pdfIn PDF document text
  • https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210810153403.pdfIn PDF document text
  • https://gyn-koe70.de/obrazky/file/pitamokak.pdfIn PDF document text
  • http://sethhukumchandschool.com/userfiles/file/jubufoluxatixezaziloluf.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608025dda3936---49039621727.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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