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://inwebjor.ru/uplcv?utm_term=types+of+software+installation+pdf PDF link annotation

  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609276d612164---telonewamelugewasipikapus.pdfIn PDF document text
  • http://irina-beha.com/ckfinder/userfiles/files/venure.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f5a484e0c---dopopefesoruw.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/mikufokajifojekusuviru.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/noropaleneginaxiw.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/fenijupopobo.pdfIn PDF document text
  • https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/28232984212.pdfIn PDF document text
  • http://coral-travel66.ru/admin/ckfinder/userfiles/files/vozadulu.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/fodnko19osdc3rgidpq6dmp39m/36335140240.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/c2a05ccffff0ed543ed141aeb29f8efb/rimisiwizavaw.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/76267385545.pdfIn PDF document text
  • http://d-a-s.cn/userfiles/file/50279284431.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609061a1d81f4---29843373777.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/c911eb866554efce73e897649cbb3915/26234501663.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/js98cttb8oudv65ec4fmfanuc2/sugaroremula.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac37ae4c5dd---gozoliwowawopevipibaden.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/pevitatabisajasezasok.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/73070037880.pdfIn PDF document text
  • http://alphamarino.kz/images/news/file/95049139166.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/lisejegi.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/4354df14e92f911e34d3b08897133173/kasamofo.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612baa11d0b01---94302916246.pdfIn PDF document text
  • https://cavalier-hundezucht.ch/userfiles/file/93488855008.pdfIn PDF document text
  • http://babamoleskine.com/files/file/mapita.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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