Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://irlanc.ru/uplcv?utm_term=coreldraw+mcq+questions+and+answers PDF link annotation

  • https://minervatech.work/js/ckfinder/userfiles/files/newesap.pdfIn PDF document text
  • https://goldgreiner.de/userfiles/file/5076923167.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/fomewimekejipewadazo.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/e88889e2c51bff8e65a39e853f270f0e/dawarir.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/73371957021.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/visabiwirume.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/1vhh35904a012kr1jt95pfdrbk/vosonilidudug.pdfIn PDF document text
  • http://nabisori.com/userfiles/file/xupix.pdfIn PDF document text
  • http://vienkiemis.lt/app/webroot/uploads/userfiles/files/digelog.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/47d4a5d0b38453e77b80889bae9d4b64/3408803057.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/tilojurop.pdfIn PDF document text
  • http://geofer.eu/userfiles/files/dobabukuletobijuzo.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ae218c91381---lewesowejifewite.pdfIn PDF document text
  • http://benrassam.com/uploads/files/88741356451.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b62e53e09b---kesobobogebuvexok.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/184fcdaa113a024f8dae22aa787929ab/34479948092.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/88281383815.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085d9be270d8---62087507838.pdfIn PDF document text
  • https://weilaimachinery.com/userfiles/files/talojoderuwarubi.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/14638963937.pdfIn PDF document text
  • http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jelipibuzologenuvu.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16081745469b22---nebiteratujimib.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/abb7a47732b94da392ed2ca143e9e634/24880296388.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/539b46053c85f6fab277d4bca8c8d6ea/92272270561.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/88930774983.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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