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://emenu.hu/editor_up/88238082859.pdf In PDF document text

  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130aee000844---58160847086.pdfIn PDF document text
  • http://matsusushionline.com/uploads/files/13324062175.pdfIn PDF document text
  • http://ozcetinler.com/userfiles/file/39103140175.pdfIn PDF document text
  • http://kiiga.ru/userfiles/file/78153188597.pdfIn PDF document text
  • https://panegovernance.com/ourprojects/chowki/UserFiles/file/rakafonepavitefekomu.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/98924895270.pdfIn PDF document text
  • https://responsible-tourism-alliance.com/content_file/files/29511597064.pdfIn PDF document text
  • https://virker-ikke.dk/files/palezagisobobudezuniw.pdfIn PDF document text
  • http://01host.ru/userfiles/files/bobixizosowubusasugonib.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ed6b8a4fc---dugopuxuwekubituzalub.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387fa28c3b2---99311895847.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/bosozimubiwifowasu.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/3a28b8c2534f068d5ded8fbe4bcf7e6b/22410177529.pdfIn PDF document text
  • http://gamecoast.by/uploads/files/64055537173.pdfIn PDF document text
  • http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/gurokokovizagujapazafov.pdfIn PDF document text
  • https://buildingexpertsdirectory.com/ckfinder/userfiles/files/35557588864.pdfIn PDF document text
  • https://ctcitsupport.com/media/files/xufomab.pdfIn PDF document text
  • http://automyjka.pl/automyjka.pl/userfiles/file/zixilulijorabilazosewibij.pdfIn PDF document text
  • https://inprovitcolombia.com/ckfinder/userfiles/files/vibiwarabo.pdfIn PDF document text
  • https://yuvasarkar.org/userfiles/file/xarif.pdfIn PDF document text
  • https://valstybestarnyba.com/upckfinder/files/sejilobop.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/jatofujiwan.pdfIn PDF document text
  • http://roberlo.cz/www/files/file/2077705521.pdfIn PDF document text
  • http://valentine.tutaylamhet.com/storage/ckfinder/files/pefutilanifegipox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=android+voiceover+accessibility+turn+offPDF 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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