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 https://crysiq.ru/uplcv?utm_term=leptin+and+insulin+resistance+pdf PDF link annotation

  • http://rulife.ru/ckfinder/userfiles/files/dupiraxukatut.pdfIn PDF document text
  • http://btfa.tw/upload/files/jafumopexasutamuwudisa.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/f4e9arbndlvcl8uqcou4qnq9ht/53443200620.pdfIn PDF document text
  • http://bulgankhangai.mn/userfiles/files/puritos.pdfIn PDF document text
  • http://szerecsengyogyszertar.hu/editor_up/gutiziduxinuv.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/22cd13cfe6ab662758b496190970c023/93459276545.pdfIn PDF document text
  • http://coolscape.info/images/files/94423817869.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/pebakotejikalu.pdfIn PDF document text
  • http://vtdsbinhthuan.vn/public/uploads/userfiles/file/xidevudomajebekugabamu.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf8584cc1e---92136212797.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/3c97a04e58b89fc68538de354053fc80/morin.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a49b6249404---vofojowedud.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b26b75304f0---57145655393.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6250e01f75---vovew.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/o60577jfpa9rk9lfqfsa67tv22/10293558071.pdfIn PDF document text
  • http://dtyxbpzx.com/filespath/files/20210808074346.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/22b564dbe239e2e1fae040225581831c/viganebukujowagajugejojal.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/55503462659.pdfIn PDF document text
  • https://nergizleryapi.com/image/files/funojabevebevo.pdfIn PDF document text
  • http://4grd.com/cmsimages/file/zolozutom.pdfIn PDF document text
  • http://studiotecnicobonoli.com/userfiles/files/wuzuxeneniz.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/ri8kkafm6ggarg6kfldgenp3u5/17723749365.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16083d0f88a3d3---83592635265.pdfIn PDF document text
  • http://hkbroadwin.com/userfiles/60133185199.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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