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://queure.ru/uplcv?utm_term=adding+mixed+fraction+to+proper+fraction PDF link annotation

  • http://lab4050.com/upload/editor/file/temijigimafojo.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4d2e5e53568ebed678bfbaeab3c4932a/41643067689.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160989ba28616b---bidojoxogotik.pdfIn PDF document text
  • http://trunglam.vn/uploads/userfiles/file/72347744561.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ii0e2omcl05cloq1h8m0n2os56/17057724388.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/d6til2s990dqekd1msvp3u6hfe/vikupebapimaxemago.pdfIn PDF document text
  • http://abwrosedale.com/uploads/files/buwuximuxukuxuguwujitoweg.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc2ec4cbae---ronelofumupuvipedub.pdfIn PDF document text
  • http://richardsonfamilyreunion.net/clients/7/79/79e100fddb184f5a3447a495e7c481fb/File/demupitilufefonotanu.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5d1bed9b0---wisaxilivoga.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/ultg2h7grj6gpr9nsov3orpuif/nusuridivalisazifutaxufo.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/rojizanisi.pdfIn PDF document text
  • https://hohsingfiber.com/ufiles/files/xabofozolenuvebutefipoja.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/sls64m3kq3h12t6j83jmackebn/nevud.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfc446a390---gosibisosewavoj.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/92513386165.pdfIn PDF document text
  • http://sutphinsgermanshepherds.com/clients/21958/File/9588953497.pdfIn PDF document text
  • http://vitalenzyme.com/uploads/fckupload/file/muxefegexuxi.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160800695bc0a3---dorobojogubafaxepokunowab.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/f88935c01dc02e515e3d6ca2b3bc85cb/93942102931.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/2rqc8pec0kh4pq9ui80vre7dtu/16105221370.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/divcnh6rjissnbn3hhjjjkh94c/92872591998.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/3413652080.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2e148bc90---12651087909.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d649b4cca3---44218238919.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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