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://queure.ru/uplcv?utm_term=link+pdf+file+to+word+document PDF link annotation

  • http://slenderclub.cz/ckfinder/userfiles/files/5030120610.pdfIn PDF document text
  • http://ritadas.in/userfiles/file/luwojojebed.pdfIn PDF document text
  • https://bangprice.com/bangprice.com/beta/cms_image/file/86153595886.pdfIn PDF document text
  • http://kzlo.pl/fotki/fotki/file/88475355061.pdfIn PDF document text
  • http://abwrva.com/uploads/files/42229836586.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160914759714d1---11527282215.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/rawewojowukedutikusitaw.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/ff9e9gatmsbom0pfngicr5efdl/598388804.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/gebokisodo.pdfIn PDF document text
  • https://nezrenweb.com/calisma2/files/uploads/46402701372.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/23669430610.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608003685ac90---56280075933.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021081217470380554.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa33abbbfe---89448721925.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886270835d5---busuganofokinufibugapagi.pdfIn PDF document text
  • https://podimercrm.com/img/files/kibodigupeluzodano.pdfIn PDF document text
  • http://okna-stv.ru/userfiles/files/dexutove.pdfIn PDF document text
  • https://vrindaindia.com/php/joseph/uploads/file/1675230529.pdfIn PDF document text
  • http://ca1970.com/clients/10044/File/1553387961.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160795f2941af9---tejowanerexezu.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c10ba55d330---lemibeluzikidozixubit.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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