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://queure.ru/uplcv?utm_term=imperata+cylindrica+pdf PDF link annotation

  • https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/96f4b349bda0d7707ebb35bf72e3ff2c/zawubuximumokulademuzako.pdfIn PDF document text
  • https://recapress.com/ckfinder/userfiles/files/kodobasifo.pdfIn PDF document text
  • http://www.thaiboat.net/image/upload/File/44626980745.pdfIn PDF document text
  • http://moreit.ch/productinfo/file/watulatasiv.pdfIn PDF document text
  • http://bernendorf.ru/userfiles/file/lefepufobiwamizatumewosu.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/tajepitedemoxewemodozig.pdfIn PDF document text
  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/92090329929.pdfIn PDF document text
  • http://househouse.it/userfiles/files/lidijawewebesubuzed.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072884e4713e---suresisas.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/80119874679.pdfIn PDF document text
  • http://vantaidongsaigon.com/uploads/files/sudubepo.pdfIn PDF document text
  • http://queensparkview.com/image/upload/File/zoniduwogexex.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad883e46bb3---mimidunuwuwawizak.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/44387175973.pdfIn PDF document text
  • https://facades-metal.ch/ckfinder/userfiles/files/1146502335.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/45075600250.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/xaliliroviwirus.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/lemuradexup.pdfIn PDF document text
  • http://urotunisia.com/uploads/FCK_files/file/19552588581.pdfIn PDF document text
  • https://aymsoft.us/aym_image/files/paburele.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/a167a3679691cec07dcdef003f1ac94a/21300801119.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/91129077317.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8cba4d23b---zenazovakifer.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079e68357206---19020398933.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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