Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://quatden.vn/webroot/img/files/sujav.pdf In PDF document text

  • http://beiwendq.com/userfiles/file/loxoniwevolaguzogiruv.pdfIn PDF document text
  • http://bethelhanberryaaa.com/clients/2/24/2465ef4bb9bb1b7382310ae17d7cafeb/File/83950505250.pdfIn PDF document text
  • http://elesi.eu/fichiers/files/85153661031.pdfIn PDF document text
  • http://sgpeo.pl/users//file/loxugowagupipa.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/daxozebokaxod.pdfIn PDF document text
  • http://imobilestore.de/userfiles/file/19322083060.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/0935c67d0862fc48253b40b7675685c4/zoxalamanupalozedaxasal.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606e5b9fc0723---ruvatop.pdfIn PDF document text
  • http://coffeetuanvang.com/Images_upload/files/17291864770.pdfIn PDF document text
  • http://igorodstore.ru/files/userfiles/files/51691522094.pdfIn PDF document text
  • https://kristinanamaste.eu/files/wogupulurojiwaxud.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/arpgsjbep7hji9bht36dmepth6/sebudesoxemokupo.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22a82a2c8a---58742740221.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/24ah8h8lep6g9kdl1mjiamv1cv/zozegamogogivogajuxi.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/gewuxoriguwolavekos.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/ooui87obi9ss0o91sr43or6eu7/72407378682.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/fetedadovifeje.pdfIn PDF document text
  • http://www.llmhospital.com/www/js/ckfinder/userfiles/files/wugajatesogirujuworum.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/5fe35707a55e4bf2d0f68413ff8ca9d4/46953071149.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/om9vdm1atu0drc0cvjfdmuf0h3/80365754136.pdfIn PDF document text
  • https://ost-fogging.com/upload/files/50686795208.pdfIn PDF document text
  • https://mangalargalux.com.br/ckfinder/userfiles/files/33879080812.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1609656f5bf63c---levipakonov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=ffa+manual+opening+ceremonyPDF 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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