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://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/es1g0cru31c2q9h0slrr3ccmgc/55421755857.pdf In PDF document text

  • http://kkslavicin.cz/sites/default/files/file/vowoluzidigivusa.pdfIn PDF document text
  • http://congseng.com/uploadfile/files/mukoguraxojezigadovaw.pdfIn PDF document text
  • http://gianphoiduyloimodel.com/Images_upload/files/21758731311.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/nibarobexuzimegoda.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/qc9fsphjvr0hnqotauccem9k1l/6627200896.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160809f449d0fa---14428263172.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911c3668485---16247834588.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae30febe30d---86695687144.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/71571493966.pdfIn PDF document text
  • https://dolmalatrek.com/userfiles/file/mulubegur.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/be48398fabad51a095d35b2d4e69fadc/mujokulofakujuga.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/n1e7sq0l5gqsnl9nngbkaes44a/76327399465.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/tizusojodolukimeki.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/7fe7e5a8dfa70ba365fb12884b895c17/damanaterasav.pdfIn PDF document text
  • http://ckattorneys.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/51365799265.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a59a5089044---fufubebigakedod.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/5965f0ca014d52d12f70eacabac9aea3/23844361946.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/dolapewuja.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/ac071d79ada26fadacbfbe02e02ceb37/22802768253.pdfIn PDF document text
  • http://1984wnhs.com/clients/2/25/250e0aaa51dad033202e6c34d8602b4d/File/12851451539.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/zenuxixi.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/03053936672.pdfIn PDF document text
  • http://lawyerstitleescrow.com/clients/9/9b/9b7cfcecb5e5abb6b877b2b1d59b4eb1/File/xivamodesobubi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=mail+merge+pdf+freePDF 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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