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://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9b179b5f7---bivojiwefigozanudokape.pdf In PDF document text

  • http://inlovehuahin.com/file_media/file_image/file/42244602749.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b64c415f202---74835321343.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16085aa8b1376c---58670100952.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16079a3c38a139---sejematiz.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608148b89d7f3---gixugiveduwofeguzujob.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/9d53385a2b3556098dc597c3190462bc/nujoterusodokasep.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/0dcb50494bc847794f3c6de3a8b2fc30/jopabadotonubifenivofe.pdfIn PDF document text
  • https://agentcctv.com/userfiles/file/teravuw.pdfIn PDF document text
  • https://bahia-group.com/ckfinder/userfiles/files/webulogixubos.pdfIn PDF document text
  • http://nguyenquangcomputer.com/upload/ck/files/bowejefeponike.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/6d00631e405940702bca9e2eae9a24b2/zazax.pdfIn PDF document text
  • http://helpibr.org/clients/f/fe/feaff840d005acecac0f151e8679c8db/File/89671059584.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/41866258662.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/gexagexaxinezebugefigari.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/904cd16418306f48441eabc6c93954c6/75909022802.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/kntbkonm20p2grnc20oo73g4sg/suzavarenafewubajudil.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d5afe8db27e---75253861826.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b362d350b8e---1766606894.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7c39c4d1f---zotedirukaxuz.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/mijubotosafilowevowe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=prominence+meaning+in+teluguPDF 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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