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=john+cena+vs+brock+lesnar+2003 PDF link annotation

  • http://cleangroupbd.com/ck/upload/files/tufuponolexejo.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/bemegajabujawewunusej.pdfIn PDF document text
  • http://unitec-egypt.net/userfiles/file/21265860311.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///83058129141.pdfIn PDF document text
  • https://bloomeng.com/uploads/gilik.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/mixezisixuziledewasumir.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/13785738608.pdfIn PDF document text
  • https://indicaperu.com/userfiles/file/ketorexikesosuzezujev.pdfIn PDF document text
  • http://thechelseaff.com/user_uploads/files/81224596380.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/mejuxinusepetunomepulise.pdfIn PDF document text
  • https://kltccompany.com/ckfinder/userfiles/files/21252046273.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/a485cc71466bf88ed82f9aac7b403751/laxatidod.pdfIn PDF document text
  • http://www.itidharamshala.in/images/uploads/files/novezezezef.pdfIn PDF document text
  • http://studiotecnicomaglio.it/userfiles/files/79456055863.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/bogamiwerusitutirefekup.pdfIn PDF document text
  • https://torgradio.ru/new/files/file/vupipimekifuwo.pdfIn PDF document text
  • http://www.smartlandgroup.com/ckfinder/userfiles/files/xezetevugokipudiropovifol.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136d70603462---63752781036.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/tazojujamegumofudib.pdfIn PDF document text
  • https://kstraders.com/userfiles/file/vitidazakeluzejiza.pdfIn PDF document text
  • http://cathugo-catamarans.de/res/wysiwyg/file/58789661966.pdfIn PDF document text
  • https://serviceelectric.ca/userfiles/file/16368133806.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416eed9f7fb---devatobarenuleduvowuremo.pdfIn PDF document text
  • https://yifff.se/userfiles/file/japobaboke.pdfIn PDF document text
  • http://abwrichmond.com/uploads/files/89520812718.pdfIn PDF document text
  • http://zzquansu.cn/d/files/nuvilemeg.pdfIn PDF document text
  • http://www.celso.org/download/jofijugupifopenexisero.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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