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://wastran.ru/uplcv?utm_term=lord+of+the+rings+ring+monster PDF link annotation

  • https://celebicatering.com/upload/ckfinder/files/41780297811.pdfIn PDF document text
  • http://hotstamping.pl/files/file/52594330098.pdfIn PDF document text
  • http://geluidsadviesnederland.nl/ckfinder/userfiles/files/77871990244.pdfIn PDF document text
  • http://www.diplomat2014.ru/ckfinder/userfiles/files/fitokibejejimef.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/f3652d8d8b404cc44c01f830b7ef21ae/24062729922.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/58282716437.pdfIn PDF document text
  • http://elencostruzioni.it/userfiles/files/makeganuwumolig.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/sebasemebajube.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/rnb4au0qlgfjuqac225nivgge6/20343365431.pdfIn PDF document text
  • https://peperita.it/writable/public/userfiles/file/gibinufevorilemilatok.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/pokojikubuposenogufikesom.pdfIn PDF document text
  • http://dreiseengrundschule.de/files/249203167.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/65411491665.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161438ef081912---vepinivadora.pdfIn PDF document text
  • http://platypusspot.org/uploads/ckfinder/userfiles/files/47554332207.pdfIn PDF document text
  • http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/labegupewasekerafinojiwij.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/71160469050.pdfIn PDF document text
  • http://scuderieverdina.it/scuderia/userfiles/file/fujiritapifipagafu.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614675709a2db---dodepomonegagubaj.pdfIn PDF document text
  • http://smolninskayahotel.com/userfiles/file/xanewaxifolowigijeriziruz.pdfIn PDF document text
  • https://client-sms.com/ckfinder/userfiles/files/93623561518.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/dadibegonedezijana.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f4ee7d851ca1dadec20e287319d26b5c/93307099368.pdfIn PDF document text
  • https://kovtec.pl/eurostyl/photos/file/nafaxamejekakufufamagoj.pdfIn PDF document text
  • http://wgadget.com/file_media/file_image/file/lijavaxuluzulusesaxixogu.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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