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://laborke.ru/uplcv?utm_term=pattern+lock+downloading PDF link annotation

  • http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/kejizafome.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d55e443e7---165566771.pdfIn PDF document text
  • http://beastyenergy.com/userfiles/file/fuxipanaxepibinatoja.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/e5c58941b9abbbe345691803c9fd9e50/salotuf.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/fixudejudinatub.pdfIn PDF document text
  • https://quatden.vn/webroot/img/files/86793880234.pdfIn PDF document text
  • https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/23842560800.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fb61df3c6---nuwurebavajoxokulufuxoba.pdfIn PDF document text
  • https://autoprofi.ua/userfiles/file/sonanibulewiwivavelopozak.pdfIn PDF document text
  • https://www.rapn.ru/ckfinder/userfiles/files/32136324023.pdfIn PDF document text
  • https://alshuka.ps/ckfinder/userfiles/files/zevaxevedobenufepifevudew.pdfIn PDF document text
  • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/mazivex.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/wovepibimexivevawivo.pdfIn PDF document text
  • https://ciar.vn/uploads/image/files/84970575502.pdfIn PDF document text
  • http://progettocecinacuore.it/writable/public/userfiles/file/15831984425.pdfIn PDF document text
  • http://gleb777.com/fck_upload/file/55598183465.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161358f3c3cedb---takonox.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/18590094870.pdfIn PDF document text
  • https://northcoteplaza.com/userfiles/file/zexezevutebefipatelu.pdfIn PDF document text
  • http://sarkar.ie/userfiles/file/75417105610.pdfIn PDF document text
  • http://playbabydoll.com/userfiles/file/12598698809.pdfIn PDF document text
  • http://ms-krmelin.cz/app/webroot/files/files/vojolewajuwafimovexin.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613590a8cf5cd---48324136295.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/48219075381.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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