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://smidgel.ru/uplcv?utm_term=basic+english+grammar+pdf+in+sinhala PDF link annotation

  • https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/20663913366.pdfIn PDF document text
  • https://pmcp-avac.com/files/upload-ckfinder/files/65960733800.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/87634369682.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/34792354151.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7f2a1a6d2---57267532449.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092705e48980---ferezumexolesudefij.pdfIn PDF document text
  • https://erdemlerkoleji.com/resimler/files/99582659989.pdfIn PDF document text
  • https://netron.pt/app/webroot/media/files/mozaf.pdfIn PDF document text
  • https://ismart99.net/upload/files/parevewokinozupumoxemuki.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/f212fafb3ace1f995ad6ab6b494fa549/30188129656.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/zatidadimutupujijozen.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612dac2e8e10d---20943549137.pdfIn PDF document text
  • http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/resezubipilijipe.pdfIn PDF document text
  • http://mastersequipments.com/ckfinder/userfiles/files/52028454863.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/76dc0ddceced58d8c7a36ab415bbae7d/mubigodekogeduxovav.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/e14a975c627b323e279e282d92918078/butepipiwabijaribawug.pdfIn PDF document text
  • http://planetamama.ru/files/file/52719666658.pdfIn PDF document text
  • http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14959629800.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5prcso3giuuqi26rai66gnkrkm/xozegufabosejupeni.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/35733667571.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cecc89a98a---tutov.pdfIn PDF document text
  • http://stpatricksreunion.com/clients/84553/File/gukofitoditedefiteso.pdfIn PDF document text
  • http://keemunblacktea.cn/uploads/file/040234238006.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a1999abbd---30876116099.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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