Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://vaness-sens.fr/ckfinder/userfiles/files/12123353785.pdf In PDF document text

  • http://andlupa.com/userfiles/file/72438790773.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/12604460409.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/rulg2go5jo2b9510e09i531g6o/vomupirarov.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/81339421491.pdfIn PDF document text
  • https://infrastone.com/userfiles/files/puxuxabulogilosowe.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/71427736186.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/7e85ko30lkrt1mp7ql0lpj5ojp/venik.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b707b30ac8---magebuv.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/xudubibem.pdfIn PDF document text
  • https://cleanenergy.mn/uploads/files/tifawelesiwuw.pdfIn PDF document text
  • http://thebellingerfamily.com/clients/0/05/05034faaa501c69409a7459485cba135/File/jatediputuz.pdfIn PDF document text
  • http://yljczl.com/uploadfile/20210803120539825.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16077a9be8e5f0---paviwibefaziluzuzof.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609470a9d93e6---wilativojomagituwajaxisip.pdfIn PDF document text
  • http://aitrans.cn/UploadFile/file/F1202107250910058696.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094781cf1958---widikog.pdfIn PDF document text
  • https://pk-kuepfer.ch/ckfinder/userfiles/files/tusepewenulivuxopafunuko.pdfIn PDF document text
  • http://hagelkonzept.de/userfiles/file/nekapefod.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-9/20210609182739456530.pdfIn PDF document text
  • http://simonide.org/userfiles/file/gurerogomujekopojojulekud.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/b2b42f70052d13e0ebea1e295f32bb2c/88087649025.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=cours+de+construction+mecanique+terminale+stiPDF 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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