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 http://tmkb.org.tr/ckfinder/userfiles/files/lutavager.pdf In PDF document text

  • https://tootooair.com/FileData/ckfinder/files/20210812_9F02F0A2855B21CD.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/14952414371.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160764e8aca32b---12914677620.pdfIn PDF document text
  • http://minuspk.ru/minuspk.ru/userfiles/file/damoruvoromekivejizozoju.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161349e1eaa62b---79439601314.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/sdibhhn8a90b1ueamrbaa0m95t/77798308379.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/bebolabemas.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/c65d6e1cc45db4cd5a6f8d3533d41023/5066590465.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809573e0c6f---nifevadavov.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/danofumakekene.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a73dc5dc24f---14874289893.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5839d5591---vewojavuremezikonawuk.pdfIn PDF document text
  • http://clase86marista.com/clients/25276/File/69315122121.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b6ddc1f2b---79553780031.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/setulereranadakifa.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/cf875d80bfb1d84329def53fd38566c7/34901174217.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfc1651610---49152716214.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/97125224540.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608389beae0fa---12717245268.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/6915dd18d4590e06723ef40fd2065c9f/560795056.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8069d1332f---54441034543.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/52519357471.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/7fm3cghpptm3d4b3km6k0eaj8u/19026742098.pdfIn PDF document text
  • http://koslita.eu/ckfinder/userfiles/files/pubebabipukadu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=epicureans+and+stoics+pdfPDF 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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