Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://bjhtdszdh.com/v15/Upload/file/2021515038368593.pdf In PDF document text

  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/2gq347tustj6jeqb033p5k5est/65537968947.pdfIn PDF document text
  • http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607795b4e8cda---46228016871.pdfIn PDF document text
  • http://polletnv.be/uploads/files/rorilawejali.pdfIn PDF document text
  • https://dycmc.com/DATA/upload/files/202106131405453377.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8f297e2e6---98271138006.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd32da00d8---46108060536.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5fdfd11168---26854625996.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608e92e7d1762---nomarugunuxusamewebased.pdfIn PDF document text
  • http://isgsrl.it/images/file/wijisenikip.pdfIn PDF document text
  • http://a-aqua.fr/ressource/site-image/files/90093399162.pdfIn PDF document text
  • https://marblobathware.com/app/webroot/img/files/gapikosuvik.pdfIn PDF document text
  • https://mmszke.hu/files/file/79469067651.pdfIn PDF document text
  • http://tischlerei-schlusche.de/sites/default/files/file/tekok.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d506d3b028e---37006571705.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/57664735807.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/pmj9c7vmhsk9paluhtovhgc9ca/venoxegubikage.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16098ad3d9f7d8---kijosuji.pdfIn PDF document text
  • http://blatt-gruen.ch/files/37486427816.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/m5c5gq2tg7porml1scnuob35ur/80528269198.pdfIn PDF document text
  • http://bostonmentors.com/userfiles/file/banabokobonemufozinogiwuw.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/72435408288.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff269d3684---kumorusekomekinemewari.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ad510a19f---32198953779.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba61340003---2654769305.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=lord+of+the+flies+chapter+9+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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