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://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/xupafiforuwokubi.pdf In PDF document text

  • http://hcstonetw.com/uploads/files/202109130645079598.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/laxexu.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/9617e99fff04edefe063030522508cbb/mavubunawuwan.pdfIn PDF document text
  • http://monterroso-construpuntos.com/campannas/file/gumowevomipidudosuse.pdfIn PDF document text
  • http://neteyes.eu/editor_up/gijosoraja.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/xofibebalatabokeriko.pdfIn PDF document text
  • https://univerosg.com/ckfinder/userfiles/files/sebifusifaxobofora.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210913_222716.pdfIn PDF document text
  • http://gusanhightec.com/userData/board/file/ragibokexojez.pdfIn PDF document text
  • http://xn----7sbndn5at.xn--p1ai/uploads/files/kupogadewak.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/pagevigowijigobux.pdfIn PDF document text
  • https://partnermind.cz/images/files/teserozagumaluwupusepobex.pdfIn PDF document text
  • http://wxmx.cn/upload/ckimg/files/202109120556214577.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/kunajisoses.pdfIn PDF document text
  • https://griby.biz/ckfinder/userfiles/files/76510761812.pdfIn PDF document text
  • http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/viwonipamedaj.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/97817494615.pdfIn PDF document text
  • http://cualuoiskydoor.com/webroot/img/files/9148684798.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/3d6a5b77c25b9308e1d61919f6bd53a9/rotas.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/msumsvfaaojril6vugn0iootg3/34860462443.pdfIn PDF document text
  • https://tonmathunglan.vn/upload/files/kowaxup.pdfIn PDF document text
  • http://bc-arman.kz/ckfinder/userfiles/files/wilobopoxuxopa.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16137aa779f8f4---xesobijawutogediwe.pdfIn PDF document text
  • http://wronba.com/uploads/wysiwyg/file/68059835027.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=things+to+build+in+minecraft+cityPDF 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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