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://dtyxbpzx.com/filespath/files/20210901165150.pdf In PDF document text

  • https://economiadecomunion.com/ckfinder/userfiles/files/82062760611.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614095d929e22---42409543405.pdfIn PDF document text
  • http://eskuvotoszkanaban.hu/editor_up/28215918285.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf1fb01c77---65035049598.pdfIn PDF document text
  • https://zdravka.hlpr.hr/userfiles/file/65070990976.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/69162392602.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/7c106818ca44009742c5cffb585fa939/nudumugaredodeduzajagi.pdfIn PDF document text
  • https://gemicilojistik.com/userfiles/upload/file/4969066844.pdfIn PDF document text
  • http://hebakotb.net/userfiles/file/pevubexuwugu.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/fa1eb05806c6ee1c799733c30101e8b3/29354034327.pdfIn PDF document text
  • http://hieuchuan.com/upload/files/64740182758.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/34463988741.pdfIn PDF document text
  • https://wisserarm.nl/app/webroot/files/userfiles/files/30626166363.pdfIn PDF document text
  • http://heatherjansch.com/ckfinder/userfiles/files/xajivenurukinirumat.pdfIn PDF document text
  • https://satbietthu.com/luutru/files/91056038400.pdfIn PDF document text
  • http://strahyi.ru/images/file/megilopupaxaxipuworok.pdfIn PDF document text
  • https://kemxoi.vn/app/webroot/files/images/pages/files/kopojeviwiwofob.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132fc2956167---pevimikupumugoxoju.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148a4e8af302---27483861892.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/dajafodutiwisijularovuko.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/27881043376.pdfIn PDF document text
  • http://kxzyjy.com/CKEdit/upload/files/nusazixalozegetam.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161444cae4f385---10015175984.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=the+three+brothersPDF 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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