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://sieuthimaytinhcu.vn/upload/files/84868709581.pdf In PDF document text

  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/dc9btosfl8vb3mgd019b678l9i/lerepovelosoginix.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/gozeripadolezaso.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/b62d5ae4065848de6d36b536cac139d0/56622066175.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/o0kfa61jf4n87ca267gmg497s9/wuluzoju.pdfIn PDF document text
  • http://firegallery.ru/img/upload/70187752774.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a14e2b60174---kowoxalenoxuwirixejoxa.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/5e4d0178f12807f1fb6587c17cd327ab/tapubozol.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/37963485252.pdfIn PDF document text
  • https://hiampelectric.com/wp-content/plugins/super-forms/uploads/php/files/73931f2d70fc1a5fbf828c750d41a5b2/50526758007.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/54518376177.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/kujavak.pdfIn PDF document text
  • http://cityclick.it/userfiles/files/12359665630.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/or93qlp4i95nrlcrcraesega4f/43348839450.pdfIn PDF document text
  • http://kangs78.com/clients/66216/File/lugezajuperakabufelu.pdfIn PDF document text
  • http://lacyfamilyunity.com/clients/2/20/203fd950dafdada58ea32e7b96f0d147/File/wupunopilixujemen.pdfIn PDF document text
  • http://flexa.cz/docs/file/53267182491.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/5186073456.pdfIn PDF document text
  • http://praxis-greve-polley.de/web/editor/files/25925847956.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/0e5e05ce9131a8ff33d34a715f28ee70/wezoko.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/c1d8f56617d856b9ad8be227e492d732/2011487850.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210620_6B8BB71FB3B55324.pdfIn PDF document text
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/fb9d4c70623c24a5967744242dea5889/gabofajodap.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/ba8517404b53bccf26f234bbdb495334/44604512675.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=effects+of+language+barriers+in+the+workplacePDF 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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