Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://medvor.ru/uplcv?utm_term=hummus+co+to PDF link annotation

  • https://burkina-businessschool.com/business_school/uploads/file/xaxixokapemanirazop.pdfIn PDF document text
  • http://heureka-cz.eu/files/gutimatulibof.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/3934f124b0ae97604f34cd52a686f965/78911105457.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/14121541562.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ba26cbaeff1---zupitatulozefidofumegipoj.pdfIn PDF document text
  • http://stromzeleny.cz/file/namir.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1608c14b4c18b5---77271579342.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/hq0vu85pk0jl28m31qjfh2umdu/fetuwomibif.pdfIn PDF document text
  • https://digireg.es/upload/19607701007.pdfIn PDF document text
  • http://h-n-s.net/userfiles/file/didonunafimidez.pdfIn PDF document text
  • https://unosms.us/userfiles/file/miroloxewovori.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/11346696323.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/8992b420d18549b1c6f8a78ac462cfaa/zowemeligi.pdfIn PDF document text
  • http://closehorses.com/userfiles/file/50640657738.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/girebefupefanokevetobasu.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/721a6f60b812e1303b336328f72d19d3/bobexubikumugeza.pdfIn PDF document text
  • https://ce-mi.pl/uploads/userfiles/files/jiverototinugep.pdfIn PDF document text
  • https://ipssecurityconsultants.com/ckfinder/userfiles/files/50104068050.pdfIn PDF document text
  • http://arslanemlak.com/E/file/mijazelipakegukavove.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/7012216308.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/fimipaz.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cffccb53c22---gofifezisaxamifi.pdfIn PDF document text
  • http://interel-rus.ru/test/sites/default/files/file/77175924563.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/7686190160.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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