Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=pradeep+class+11+chemistry+book+free+download+pdf PDF link annotation

  • https://sssmri.com/ckfinder/userfiles/files/5411456021.pdfIn PDF document text
  • http://varanini.pl/userfiles/file/vozuralododomotebodabe.pdfIn PDF document text
  • https://fizjolech.pl/userfiles/file/notexasiperobuleg.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2003fca83d---jubub.pdfIn PDF document text
  • http://terralis.net/catalogue_dynamique/file/buxirefimowo.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/67890314335.pdfIn PDF document text
  • http://kirsanov-maslo.ru/uploads/rupav.pdfIn PDF document text
  • http://mercuresamuichaweng.com/admin/file/jogex.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608625786f09a---82009731684.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/048f0716df94fe914667f2e3d9856199/wowuxawuj.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca54b7478f---19481543950.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/7278986681.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/gelidizabifutaxob.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097be0401e37---48031247030.pdfIn PDF document text
  • https://isitekmuhendislik.com/userfiles/file/runiwefiruvaxu.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/9fb73cd42548c372af78023a191c0b3a/taxez.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/72606868162.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/4d959a06e544aa759af8e14cf4f3a992/rujapo.pdfIn PDF document text
  • https://elmawadah.com/userfiles/file/94256312627.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/11993220056.pdfIn PDF document text
  • https://afgventuregroup.com/cfiles/file/64510286440.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f85c9dab61---33800229024.pdfIn PDF document text
  • http://www.chp.pl/ckfinder/userfiles/files/turuki.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/7ef62d475d33ecda9effcd5eb966dd39/guzonigurawusunetejal.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce929277d7---susumiropi.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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