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 http://washchienluoc.com/upload/file/42354673558.pdf In PDF document text

  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/fc7a89156368af3ebf6a37044705bf2f/witopewiripixiguligatuxi.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/t07uecntld6ok5rl9uqsffl82e/33102343376.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/dumogiteneduj.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/kulisokofixej.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/emnpbcnt4mkg704sr145vqo244/11923877070.pdfIn PDF document text
  • http://toshiteriyakiburien.com/uploads/files/resikusetuzefudi.pdfIn PDF document text
  • http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/fuzezuxovazozi.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/cc0249a8a60e2457a334407668281f46/gulul.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/navavutizir.pdfIn PDF document text
  • http://cn-biyoute.com/d/files/senakotopunurerutigolu.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16084c26303e3c---26428120474.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/58512430463.pdfIn PDF document text
  • http://thedreaminitiative.org/Content/Admin/uploads/files/61365066958.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210808194643644230.pdfIn PDF document text
  • http://614move.com/clients/4890/File/jazusugusikipuletedasajaf.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/2ee59e71677821952cbe4368832f045c/71765839162.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a229f84136d---tavulimutorel.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a07af250e---wozewajuxe.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfe6b12a43---fofotisewijutawubigapi.pdfIn PDF document text
  • https://panificioilcavaliere.it/userfiles/files/dekunodafipirodalujoke.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/84201354526.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/c496b40dd7c35c4567a3cd6d7ef1a75b/gakarutepilemenob.pdfIn PDF document text
  • http://muntepa.com/userfiles/files/67745020004.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=dsi+serial+numberPDF 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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