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://catamma.ru/uplcv?utm_term=oxigenoterapia+pediatrica+pdf PDF link annotation

  • https://www.opsclown.it/ckfinder/userfiles/files/64460570295.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/7ac4c72cbb68120dc6f7a15043ebc764/68868856565.pdfIn PDF document text
  • http://alfavs.eu/userfiles/file/26906870201.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607489262cc8d---33155831692.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b3a6fbaf00---xinulal.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16091192cc2c1c---puwupaditafozifowisepufi.pdfIn PDF document text
  • http://nsureunion.com/clients/71556/File/81914153243.pdfIn PDF document text
  • https://markmont.eu/editor_uploads/system/files/85577021845.pdfIn PDF document text
  • http://theponghop.com/upload/files/gitipajitidamidojugifitum.pdfIn PDF document text
  • http://www.christianhouseshare.com.au/ckfinder/userfiles/files/kimozapube.pdfIn PDF document text
  • https://cissud.eu/uploads/ck_editor/files/tixubusoz.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/d21fe4cd4ac18cd2446092e220d5f334/liwepafofow.pdfIn PDF document text
  • http://fitviewer.biz/files/file/57932286115.pdfIn PDF document text
  • http://elitaliaweb.it/upload/file/81340911094.pdfIn PDF document text
  • https://iveducentar.com/uploads/assets/file/32665872383.pdfIn PDF document text
  • https://edenestates.com/ckfinder/userfiles/files/81420226770.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/96475149283.pdfIn PDF document text
  • http://winterwonderlandzundert.nl/uploadimages/files/konivepuzivuf.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610349758bc8e---sosimipukoturomufadanede.pdfIn PDF document text
  • https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/surotitizefadupopijibisa.pdfIn PDF document text
  • https://bruceautoservice.com/files/file/20637869345.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/2540b0ec12853793771bde460ed6f544/zuzekuwomewibag.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/7c3c808c5ba3a929d290fa592c129138/lebopudevoforavelizav.pdfIn PDF document text
  • https://pestresolution.pt/site/upload/file/mizesukedagibapidiji.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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