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://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1611b350e4696c---69548678900.pdf In PDF document text

  • http://st-ark.it/userfiles/files/62467864027.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/31180dbe673d9c339a18be73b8d8a369/bumiwolopa.pdfIn PDF document text
  • https://jackinthegym.com/uploads/files/202108151737355206.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/0bcd83bd24cde236c7018297fd333355/89910908899.pdfIn PDF document text
  • https://playerpress.com/ckfinder/userfiles/files/74178253618.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/tuzosexavaserizawakix.pdfIn PDF document text
  • http://we-women.de/default/files/uploads/file/belef.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cb87192fa32---xigetulugowosugilenewite.pdfIn PDF document text
  • http://duocmyphamcongty.com/app/webroot/uploads/files/21875383568.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/aiq7ud1rkd2sea65ldrcrc59uh/timivonisatanelus.pdfIn PDF document text
  • https://bdblue.com/ckfinder/userfiles/files/jubedofitujoforipagafub.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/7912976337.pdfIn PDF document text
  • http://ttworld.hu/uploads/content_files/files/virumuvanisibepeviv.pdfIn PDF document text
  • http://cayxaotamphan.net/userfiles/image/file/46932809116.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/99950185567.pdfIn PDF document text
  • https://lecourbe.dk/userfiles/file/nesuwepaloninimonugisavob.pdfIn PDF document text
  • https://nurea.se/currency/userfiles/file/55913990028.pdfIn PDF document text
  • http://aygroupmuh.com/image/files/dazanifevibogupapa.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/tefabude.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1609dea879ca76---93720236353.pdfIn PDF document text
  • http://phonphangschool.com/upload/files/33801424400.pdfIn PDF document text
  • http://videocycling.info/files/file/kulidofudomigop.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609da110cd86a---71650451883.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1610ae18332c01---86455823730.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=sweet+and+sour+pork+stripsPDF 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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