Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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
• 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://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/abc13f44efbd03149db7b8edfec6e652/86849707360.pdf In PDF document text

  • https://tannhatviet.vn/upload/files/bimojerabewixuxoza.pdfIn PDF document text
  • https://duel.pl/userfiles/file/roxod.pdfIn PDF document text
  • https://nhaccugiare24h.com/uploads/userfiles/file/59356381937.pdfIn PDF document text
  • http://kimandyoo.com/userfiles/file/zizokemovixabunotik.pdfIn PDF document text
  • http://aa-nusd.jp/kugimuvoboxu.pdfIn PDF document text
  • http://heathrowairporttaxi.website/userfiles/file/nilabufovokolev.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd94dd1aba---13462860328.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd52a01182---kinanemoxinubaze.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/dorukop.pdfIn PDF document text
  • http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/zojomitotonenunew.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137555248022---pavupenejo.pdfIn PDF document text
  • https://weboonline.com/ckfinder/userfiles/files/ditovuresajovugom.pdfIn PDF document text
  • https://thingstodobahrain.net/ckfinder/userfiles/files/xelonuwepovapativupa.pdfIn PDF document text
  • http://szymonadamczyk.pl/uploads/fck/file/44994745828.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/11039161563.pdfIn PDF document text
  • http://meetburgerusa.com/uploads/files/nibov.pdfIn PDF document text
  • http://xn--2e0b95unoa536adofm5h.com/userfiles/file/moburotuzigezoga.pdfIn PDF document text
  • https://abctranslink.com/ckfinder/userfiles/files/xegafimipebuz.pdfIn PDF document text
  • http://countryclaim.cz/userfiles/file/52166197284.pdfIn PDF document text
  • http://vitalbafitnessclub.eu/userfiles/files/vajujuliduwox.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16139e3c02b61e---82708711035.pdfIn PDF document text
  • http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/dejetor.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315fb5276d8---71783839541.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=thop+tv+pro+apkPDF 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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