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://allytemp.ru/uplcv?utm_term=happy+mod+install+latest+version PDF link annotation

  • http://airelimpio.mx/img/editor/file/wasapijepetiru.pdfIn PDF document text
  • https://mediaskills.rs/files/1273865664.pdfIn PDF document text
  • http://rezidencianestor.sk/app/webroot/files/ckeditor/files/92646673910.pdfIn PDF document text
  • https://adium.ru/userfiles/file/83987501093.pdfIn PDF document text
  • http://divorcefinance.nl/uploads/file/23120950021.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131b920690d1---mivagimevaxorisusupulibe.pdfIn PDF document text
  • http://thestarbusan.com/FileData/ckfinder/files/20210911_8978B9907C9F9346.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/91444067252.pdfIn PDF document text
  • http://southerncross-ex.com/images/blog/file/fujajizeworidudibapuban.pdfIn PDF document text
  • https://prestinieurope.ch/userfiles/files/61253849276.pdfIn PDF document text
  • http://szkolaprzybranowo.pl/ckfinder/userfiles/files/1211601880.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136addfd67ae---77923304716.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6fb8a6ed1---gekinati.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/72910601993.pdfIn PDF document text
  • https://pypconsultores.mx/userfiles/file/9412785180.pdfIn PDF document text
  • http://dental-forum.ru/userfiles/file/neganajaxikugoruwaxu.pdfIn PDF document text
  • https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/sulunukataxiler.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/33733452205.pdfIn PDF document text
  • http://austria-ex.com/images/blog/file/xavarapunewomibex.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcbf44083e---82962555349.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/60802144440.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210901_97C264244E4FFBFE.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f20768d59---tigimelulumarisejan.pdfIn PDF document text
  • http://speckrepej.com/upload/file/depasimisavajijemoda.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/24c4e2207c34605e543c459cd3abdb05/72894413145.pdfIn PDF document text
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/tesalemonavimosupid.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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