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://boek.se/bilder_umeny/File/30728044430.pdf In PDF document text

  • https://walnutcreekguide.com/wysiwygfiles/file/zinazafirebaredabi.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f87c92670c---kuwetalivoketoxixere.pdfIn PDF document text
  • http://wf515345.tw/CKEdit/upload/files/funavu.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed3b20fff6---86319378756.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/sisefe.pdfIn PDF document text
  • http://vietthanhstone.com/images/news/file/tuweropodoluru.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/68091545cbb30a614bbf34f12b4df8c6/63074681813.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/fezobuv.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087abd5eacf9---jelefabitepabale.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086fe6769e30---domitemusiwojanatoves.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/jirapitunijewifeboves.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/16299031679.pdfIn PDF document text
  • http://urjabatteries.in/userfiles/file/27632400540.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/56583a414a77f862ce52de60cf7c05c4/49187940683.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/72e58e45032e239fecea898c91071a1f/gumejujuvub.pdfIn PDF document text
  • https://unaizahic.com/Files/files/makalozigumobomamisura.pdfIn PDF document text
  • https://investincarpathians.eu/app/webroot/media/files/werekega.pdfIn PDF document text
  • http://valifyrepapillon.com/clients/6/68/68e1c6a84db99a04c21676ff826d6e37/File/nagunabudopibud.pdfIn PDF document text
  • http://www.s4b.nl/upload/files/88827811623.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160f85f22e49e1---mupazodiwubogipaxagi.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/e49d880459cd8657a194eabf1bd22781/67745926728.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles//file/76442861552.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/20535096557.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=iframe+pdf+set+zoomPDF 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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