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://coretry.ru/uplcv?utm_term=mario+games+android PDF link annotation

  • http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/xoziponina.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/risokilowagedamavewate.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613345058ff01---25045346907.pdfIn PDF document text
  • http://hoangle.vn/uploads/userfiles/file/kerilalijovozu.pdfIn PDF document text
  • https://classoft.ro/userfiles/file/54791125530.pdfIn PDF document text
  • https://lexconsulting.ro/webroot/files/media/kuxubexipulumafifibi.pdfIn PDF document text
  • http://321eastern-thailand.com/userfiles/files/xabipadu.pdfIn PDF document text
  • http://shceping.com/upFile/photos/2021-9/file/6140204703.pdfIn PDF document text
  • http://drairtools.com/ckfinder/userfiles/files/57790787525.pdfIn PDF document text
  • http://miet-boot.ch/images/uploadedimages/file/mijetadesojoforevamino.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/60ab20d3f0fcaa09628ecd43aeb67012/55199640877.pdfIn PDF document text
  • http://ibb-online.ru/f/file/zefategifipimudadu.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/86e001bc1abe89a638e1d2b8144011a7/59231699323.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/wukifopideziker.pdfIn PDF document text
  • http://klenderbio.com/upload/files/34191782750.pdfIn PDF document text
  • http://dar-tom.pl/userfiles/file/9538686882.pdfIn PDF document text
  • https://takipbizde.com/calisma2/files/uploads/90819553173.pdfIn PDF document text
  • https://birotex.rs/images/files/riguratida.pdfIn PDF document text
  • http://plncse.hu/php_data/file/27199139192.pdfIn PDF document text
  • https://g55net.com/webpagebuilder/ckfinder/userfiles/files/60235298528.pdfIn PDF document text
  • http://abpjseah.news-read.com/upload/files/20581184101.pdfIn PDF document text
  • http://halaljones.com/uploads/files/84379177893.pdfIn PDF document text
  • http://mopi.eu/ckfinder/userfiles/files/zexaxabulodin.pdfIn PDF document text
  • http://leicesterbiketec.com/userfiles/file/jixakar.pdfIn PDF document text
  • http://tdsns.ru/userfiles/file/mojexijabazawewabiguz.pdfIn PDF document text
  • http://ih-consultant.com/ckfinder/userfiles/files/jekugaber.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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