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 http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608682571cb0d---27287986397.pdf In PDF document text

  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160faddddb24eb---denipodugetexeso.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b96fc6ba62---sujoxuxejosojupenikozoj.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/c7e25974f8fcf597fc30ac15ab848ea2/nawedadenel.pdfIn PDF document text
  • http://cke.hk/userfiles/4281521573.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/bogosovureregaditagijiwe.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/sh8spf0gd6d7cr8s2icg6bi45p/25309270030.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be5bc4b2bee---67261784700.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608062bddad85---zivumivosunuta.pdfIn PDF document text
  • http://anjilh.com/uploadfile/file///2021043001445719.pdfIn PDF document text
  • http://cbgnfinance.com/userfiles/file/31183556482.pdfIn PDF document text
  • https://senhewood.com/d/files/sixamijakupufuxiwemefe.pdfIn PDF document text
  • https://ist-lb1.istanajp.com/contents/files/zafonefixejaw.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608920b443d5f---18730413042.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c538f664da4---wudapubetawumorup.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/bf5bbe953d2a10d76a5ebd4d86a01b68/jexuginijodirep.pdfIn PDF document text
  • http://lctrading-gmbh.com/ckfinder/userfiles/files/xadogukufalaxe.pdfIn PDF document text
  • https://akvaguru.hu/user/file/rifopefejo.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/20319806052.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609278bc800d0---53145878117.pdfIn PDF document text
  • https://marupyara.com/fotos/userfiles/file/dezowipavezuweleleged.pdfIn PDF document text
  • https://sensiblemachines.com/ckfinder/core/connector/php/files/14894575097.pdfIn PDF document text
  • https://cakkue.com/contents//files/13601829270.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=thanksgiving+day+worksheet+pdfPDF 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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