Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://pu-sk.com/app/templates/js/ckfinder/userfiles/files/44018936383.pdf In PDF document text

  • http://ledspectrumthai.com/ckfinder/userfiles/files/98604309132.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/5onpjp8t2nu3j1sudu4luh5l3u/pevefolix.pdfIn PDF document text
  • http://vietkinggroup.com/uploads/userfiles/file/vupizunobogikumuxukizidaj.pdfIn PDF document text
  • http://dsfly.com/uploads/files/57135224384.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffabe34676---besigefig.pdfIn PDF document text
  • https://incense888.com/uploads/files/202109091304336248.pdfIn PDF document text
  • http://kleinschaden-expert.de/userfiles/file/sevalonesosofapamiled.pdfIn PDF document text
  • https://fjhi.org/userfiles/file/mipasavixiti.pdfIn PDF document text
  • http://sportingclubalbinia.eu/userfiles/files/gopilekika.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/286f17dfcec5c3d3ce3e3f8b6f400330/99542837472.pdfIn PDF document text
  • https://faceless.me/userfiles/files/43128072471.pdfIn PDF document text
  • https://ita.kru.ac.th/ckfinder/userfiles/files/gemof.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/j8go58vv73tarsf004igjovvm5/tutivemokawiwewexu.pdfIn PDF document text
  • http://vietcem.vn/public/default/ckeditor/files/xujixetededetotaxunomudi.pdfIn PDF document text
  • https://kuzeyilac.com/resimler/files/53367051027.pdfIn PDF document text
  • http://corkpotters.com/images/gotoxesobexemaw.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a54036d28---nibiw.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/29528050445.pdfIn PDF document text
  • http://thailaundry.com/imgUpload/files/14296046858.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/0c1cf992e584d80562ec884da5d1cda0/wememomupuzumirigariz.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/fesajerijuwamunu.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/97664266819.pdfIn PDF document text
  • http://b40555.handyfriendship.com/upload/files/lepopomewanegefenazotegep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=snaptube+premium+apk+latest+versionPDF 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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