Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://inwebjor.ru/uplcv?utm_term=avancemos+1+unit+resource+book+answers+pdf PDF link annotation

  • http://women-for-marriage.com/ckfinder/userfiles/files/kigoxijujuxerorunologotu.pdfIn PDF document text
  • https://myvideoclasses.com/ci/userfiles/files/16410116782.pdfIn PDF document text
  • http://bibliotekaludwin.pl/img/upload/files/50657317036.pdfIn PDF document text
  • https://psystat.net/candyticket/uploads/page_images/files/kanegazolopugawiz.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613fea62de6f2---38791897816.pdfIn PDF document text
  • https://euchebnici.com/img/file/33085995023.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/emog885umjs5ghm3v79fn0nn7a/dabewonivabalipuzuba.pdfIn PDF document text
  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/nemisudifadejaludomanuveb.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/a1560bb8e3226a035784e410fc4fc887/linokeresigakufurifen.pdfIn PDF document text
  • http://www.s4b.nl/upload/files/zudisosaxaxedefo.pdfIn PDF document text
  • http://honda-vo.com/upload/file/besosewisakeg.pdfIn PDF document text
  • http://chieusangducphat.com/uploads/userfiles/file/gupox.pdfIn PDF document text
  • http://parkingparts.com/Upfiles/file/11750317284.pdfIn PDF document text
  • http://rickgrisolia.com/userfiles/files/90974918221.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/qdd880lrlf1njea4c6ftnj4df1/mabimajorovebakafo.pdfIn PDF document text
  • https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/6296831415.pdfIn PDF document text
  • http://gardensyellowcab.com/admin/images/file/15535510076.pdfIn PDF document text
  • http://cgmorenanews.com.br/ckfinder/userfiles/files/metatamiz.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/36638754087.pdfIn PDF document text
  • http://greenmodels.ru/uploads/files/nuwojekuvaziju.pdfIn PDF document text
  • http://uts.edu.co/portal/app/ckfinder/userfiles/files/24958551374.pdfIn PDF document text
  • http://zerosquareonline.com/file/69919036146.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/84447437004.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613808f94348c---dorovobaporivesewuwuxid.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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