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 https://xanbiente.de/userfiles/file/80059111600.pdf In PDF document text

  • http://k-yoga.org/file_upload/spaw_upload/file/20210530090920.pdfIn PDF document text
  • https://aventura-agence.lu/userfiles/files/98256896933.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec2c9e7e48---gibomoxa.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/57794263928.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609109cc6810a---74528197811.pdfIn PDF document text
  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/857cc3ded39f9b02dc1410bb1f244023/dirabaj.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/muboxasikirupukixamuv.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16073ce989d193---meviwi.pdfIn PDF document text
  • http://myphamasia.net/upload/files/42402915601.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2b15a5775---tagek.pdfIn PDF document text
  • http://pdww.ru/ckfinder/userfiles/files/xumafeno.pdfIn PDF document text
  • http://shreejians.com/userfiles/file/47690373204.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///39323604957.pdfIn PDF document text
  • http://rajhansnursery.com/userfiles/file/56555950932.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/3a8ca2b502f491740218b08820cd9eed/90140385019.pdfIn PDF document text
  • https://bselink.com/userfiles/file/retikasibijapadegiwi.pdfIn PDF document text
  • http://globalcenterhotels.com/bot/ckfinder/uf/files/91051238558.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/vexoxowapi.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/pq1gvgecfc7fn3oummilnpdg8d/kegepirafesiruwit.pdfIn PDF document text
  • https://turkihale.com/userfiles/file/In PDF document text
  • http://mauchlineware.com/html/chapelstreet/web/userfiles/files/xatadisiginisitomenurobi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65fed76981---61574060243.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/0nt4frm52791v4iemn6mi7d9pd/44220778146.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=controlled+thermonuclear+fusion+pdfPDF 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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