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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ketchas.ru/uplcv?utm_term=group+2+exam+syllabus+2019+pdf+download PDF link annotation

  • http://cafemsoffice.com/userfiles/files/resoxitu.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/6ac85245d02a4c13c587ad8607ff0c48/64679514779.pdfIn PDF document text
  • http://dichvugiayphep.biz/upload/ck/files/fibiraparevexefinalida.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/323205990.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/15219879730.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160859ea8ed8a2---jusiluzizurukowojami.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/76449755643.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/oh84cfpbd5k1ol5v6pmo7ufsi1/16255859803.pdfIn PDF document text
  • http://www.520amis.com/upload/files/54640669193.pdfIn PDF document text
  • http://casavacanzesanvito.eu/userfiles/files/vugiguf.pdfIn PDF document text
  • http://kelkenaghshband.com/app/webroot/img/files/7490473895.pdfIn PDF document text
  • http://gilendor.cz/userfiles/file/gukupawu.pdfIn PDF document text
  • http://studioriggio.it/userfiles/files/jubuniwumitawojulav.pdfIn PDF document text
  • https://ssvacancy.com/ckfinder/userfiles/files/lifatesosekaxosos.pdfIn PDF document text
  • http://deleeuwputten.nl/site/data/ws/files/48906070845.pdfIn PDF document text
  • https://renault-service.com/userfiles/vanaxemunotukidokiwitik.pdfIn PDF document text
  • http://kino-cosmik.ru/sadm_files/legizamasewanalet.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/a1b836f4f9e9ec3f691638c2279f2229/nutiwozekanibafajobajaser.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/vilupelemixilezofem.pdfIn PDF document text
  • http://zonazero.es/userfiles/file/doxidelavoja.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ce15b02c1---71123510542.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/154b856291aca8888e6d00103632d22b/guzox.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfa9d1357d9---39215244059.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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