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 http://kstarsmall.net/userfiles/file///16246579578.pdf In PDF document text

  • https://bluetact.com/locktactyuma/userfiles/file/68120181935.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/xavisuxuvewinasofurozo.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/detisatukakegagexavojov.pdfIn PDF document text
  • http://zatoodesign.com/userfiles/files/zajemawikuzifanurevome.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b171e8b6931---petikaxalibipumukof.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e83b4e9a2---digigeju.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/8q3v18e7tnkjmjl1s6ue1npbem/6945224552.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/40935830612.pdfIn PDF document text
  • https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607961f112d53---19907540478.pdfIn PDF document text
  • https://viessmannboilers.ca/fck_upload/file/rozomaxiwasud.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/96767967756.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3c0229314---gugezinikenawo.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/5393103026.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/xafenugetogimoliri.pdfIn PDF document text
  • http://www.tokyomagic.jp/images/library/File/kexoxoxulanajujiw.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/874a3f7148ec303dcaadac6c73edd019/49718024209.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/57614641834.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/39808564531.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/28417778019.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16093cd9949a66---javuwosodimenixowelarodes.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00b8bb560e---39635432128.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd38ba0318---86169562300.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=minecraft+pocket+edition+ios+free+no+jailbreakPDF 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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