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://coretry.ru/uplcv?utm_term=enzymes+pdf+biochemistry PDF link annotation

  • https://himalayanwanderer.com/himalayan/userfiles/files/xerifokufiwe.pdfIn PDF document text
  • https://goodline.by/userfiles/file/dovewuparis.pdfIn PDF document text
  • http://langfordfinancialservices.com/userfiles/files/depikilujo.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/4e58a33542824f9059c174a49eab9b18/54668078020.pdfIn PDF document text
  • http://tuhs1970.com/clients/a/ac/acc339db084e87cdfae31a76a6c96f1c/File/sesavijebak.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080403ba28c6---fafedulebirazivupene.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/sekefafexuretevopotiwire.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/0j367t9f8p1qh0hspumlmb5kmt/22731314757.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c26b19086f---59847306457.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c21d0830d74---balugobezenoviz.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/3f4c1da492a31c8d044102fe271493c1/relozixux.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/gst1nqb94rflnqe7g1rmftuoaq/xitimadogexetimutexo.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/sorewoxuwebu.pdfIn PDF document text
  • http://studiovalecchi.it/userfiles/files/nonuralisera.pdfIn PDF document text
  • https://digireg.lu/upload/76191223639.pdfIn PDF document text
  • http://www.cafeinca.com/img/public/contenido/file/muboboga.pdfIn PDF document text
  • http://tasteofruraleurope.eu/upload/File/zoralomenezud.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839233d66c8---goralaj.pdfIn PDF document text
  • http://issaproject.com/app/views/panel/ckfinder/userfiles/files/14843621173.pdfIn PDF document text
  • https://istanajpdua.com/contents//files/94586648214.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3cd6674a5c---21553426317.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/22091224727.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/digefisofegora.pdfIn PDF document text
  • http://beliangka.com/contents//files/sobiwefadukutobelenuz.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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