Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://csp-pub.com/stockages/files/verokigoma.pdf In PDF document text

  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/60574383552.pdfIn PDF document text
  • http://sjccgy.com/userfiles/file/20251598722.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b741863f2---84651352651.pdfIn PDF document text
  • http://nhatrangpalace.net/app/webroot/upload/files/sepopuzi.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/favugitiwe.pdfIn PDF document text
  • http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gutovijadomabom.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/poletaj.pdfIn PDF document text
  • http://terredellamagnagrecia.com/userfiles/files/fizanab.pdfIn PDF document text
  • https://unitjaya.com/contents/files/kofefozebuninufe.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/19994131123.pdfIn PDF document text
  • http://labonguyenhoang.com/img-chamthi/files/82001862694.pdfIn PDF document text
  • https://mp2020.csysadmin.com/ckfinder/userfiles/files/11816253746.pdfIn PDF document text
  • https://onderdurdu.com/upload/ckfinder/files/95377200392.pdfIn PDF document text
  • http://rococosofa.com/files/files/47434237072.pdfIn PDF document text
  • http://factblogs.com/uploaded_files/userfiles/files/3276605942.pdfIn PDF document text
  • http://studio-castiglioni.com/userfiles/files/23614557622.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/cf8814a21f82fb8b4b79f0d25d06367f/sakel.pdfIn PDF document text
  • http://cabinet-blin.fr/ressource/site-image/files/wutogetafowanazafokexu.pdfIn PDF document text
  • http://tw-jia.com/uploads/files/202109081229056221.pdfIn PDF document text
  • http://agro-partner.com/Image/files/71568266018.pdfIn PDF document text
  • https://x-software.cz/data/file/18824727798.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/a7m6j1ic0bungo0uu04366b1jt/bodelemigadexekinifologew.pdfIn PDF document text
  • https://nbc.com.vn/ckfinder/userfiles/files/69607626035.pdfIn PDF document text
  • https://service-panev.com/userfiles/93084113026.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=search+functionality+in+androidPDF link annotation
  • https://unimedbelem.com.br/painel_template/assets/global/plugins/ckfinder/userfilesfiles/burujewez.pdfIn PDF document text
  • 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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