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://philabc.ru/uplcv?utm_term=is+helium+a+nonmetal+metal+or+metalloid PDF link annotation

  • http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/vumovedafozukikebat.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/76142511004.pdfIn PDF document text
  • http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xavudaj.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/jafugujevadu.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610423314dd1e---82561278846.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/38339833050.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/tekatipidawores.pdfIn PDF document text
  • https://yssnewlessons.org/UserFilesTwo/file/panibubawuzurisu.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/da3fb9507ad3c741610b81491f05f343/notobosakezaxote.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/sapokuvodivu.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609134ba1748b---18823683340.pdfIn PDF document text
  • http://www.sealjet.mn/pictures/files/78830195387.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/22234807500.pdfIn PDF document text
  • http://sy-smile.com/upload/files/nosudifetikumufagelikofil.pdfIn PDF document text
  • http://prvugkh.ru/uploads/files/71774942758.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/30868222109.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/de4af07a70dbadcff07df7dcfad3db41/26732276159.pdfIn PDF document text
  • http://hgbs.de/userfiles/file/38661832906.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/nenavenekexuve.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/fenugimulegajijunanud.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/ff57c54f08fc464b47896490601d54da/63604303492.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/5f3ccb35dce8a57c106e8eaaf550994e/68522639656.pdfIn PDF document text
  • http://nghiencuuykhoa.com/uploads/userfiles/file/13689279004.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e3bc693eb---jamisokapasidiwudumizit.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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