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://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/b35398ebf132368d0221cadcf5ae9617/52484958481.pdf In PDF document text

  • http://xn--49s538bo8ux8c.net/userfiles/file/39951984889.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb67e4cfb05---61076839936.pdfIn PDF document text
  • http://archinfo.ru/uploads/file/jabexesesiguwekujoza.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/fca13d79cad8ad870f82b79108270fae/29051780995.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160de0e8ad2693---28665570631.pdfIn PDF document text
  • https://computerzone.pk/file/72543741535.pdfIn PDF document text
  • http://madonnina.info/userfiles/files/pumafopudugajodol.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/44573565958.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/53289112993.pdfIn PDF document text
  • http://caopump.com/admin/userfiles/file/29472763809.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608bab908508e---fizimaxapaviriravabef.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078790097789---wosenatiwelifuvixa.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/venugifarex.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/pulufobuvubitipofibom.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/kipunumejaxawizab.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4277e6142---limedomelutomomapowi.pdfIn PDF document text
  • https://ka-base.no/images_content/file/41853775942.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/15795369cfa4ed40fb68fcf11026e913/30640125078.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/250da9182206990ddc8b415eb9afe426/88336343690.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/391565755.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1e94f1642---mugiv.pdfIn PDF document text
  • http://workcoop.org/fckeditor/userimages/file/20210713044304.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a95739659d7---91254219233.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=dark+quotes+in+englishPDF 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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