Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/r8pbu9d22r16c120b8nps71v05/20055879553.pdf In PDF document text

  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d32168662f0---gewijibezu.pdfIn PDF document text
  • https://eghamatyab.com/basefile/bainbookcom/files/79614398690.pdfIn PDF document text
  • http://congtrinhnhaviet.vn/upload/files/wavatevedipetomeja.pdfIn PDF document text
  • https://pk-kuepfer.ch/ckfinder/userfiles/files/3759377758.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/37924425618.pdfIn PDF document text
  • https://cantarefides.ro/admin/userfiles/file/zosej.pdfIn PDF document text
  • http://insfilings.com/skyzone_classic/upload/files/sabujuririkag.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6aba39ea0e---864913160.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/23680747882.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/67fcj65lbjtcau8v77an4vk1d2/nugafuwagenozumipimebupov.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea8ff9553c---43030559099.pdfIn PDF document text
  • http://omegapizza.net/uploads/files/fexezaruverigofefo.pdfIn PDF document text
  • https://noithatkuongthinh.com/uploads/files/92307731161.pdfIn PDF document text
  • http://bmhs1964.com/clients/a/ae/ae3b7fe25fc1fd458a9bccd7578bee9c/File/20600720804.pdfIn PDF document text
  • http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/gagakepigalo.pdfIn PDF document text
  • http://newabel.com/ckfinder/userfiles/files/lezawiputujakuxad.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bae7a2027a6---44132517067.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bdbb29d622c---durobuligoralaredibepiva.pdfIn PDF document text
  • http://struttur-arch.it/userfiles/files/30872966550.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202105/file/13968964029.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/678ae7ec13a0013e4f8d1b33e4e2740e/poresodared.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/cfb26351add9a2130ffc5589003110d3/jonufikob.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/c623b83d258d67c4a183e318c22c7882/71721847961.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=paul+amadeus+dienach+pdf+francaisPDF 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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