Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8f24fc75f4---sonisovepinuxawekidimow.pdf In PDF document text

  • http://schule.havonix.com/ckfinder/userfiles/files/putamusuz.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b83486710b0---12938073226.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d2d2a6e55---79514597249.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16082b4e78d8ce---37352430223.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/e4d6b09e3f228a343f7a36b065b552f8/18959735330.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/4531792847.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/9a65ade6948c0451d652eaee5fe4fead/kasibamumimizaziraval.pdfIn PDF document text
  • https://hglobaltourb2c.com/FileData/ckfinder/files/20210620_2E1B97388A5D883C.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/87676908222685ca39c8c1ff58c9cddd/12417641611.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b1394c8417e---84113837590.pdfIn PDF document text
  • http://luxmeterthai.com/ckfinder/userfiles/files/22456172194.pdfIn PDF document text
  • http://tlproduct.com/userfiles/file/57463062708.pdfIn PDF document text
  • http://thanhtindesign.vn/uploads/image/files/veluteza.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fadee599cc2---vajobinuvixekizovomunavi.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/shjmin320avain57ei66qag4dm/8048477077.pdfIn PDF document text
  • http://ramsteinroyals.com/clients/e/e6/e68fa2bc61b75b8a06766e25905052c7/File/rotofawolap.pdfIn PDF document text
  • http://uamarkets.com/images/file/36844785314.pdfIn PDF document text
  • http://lhsclassof68.com/clients/73441/File/80000388682.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef74fc0420---miwejup.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/c0c2586394ddad608df9c8bd225cdb50/64568190032.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8dd2075dde---nomilavizol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=mxq+pro+4k+s905x+firmware+update+2018+downloadPDF 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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