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://gyuco.com/uploadfile/files/20210901_151128.pdf In PDF document text

  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134aef653f2b---26295155909.pdfIn PDF document text
  • http://minhanh.com/files/28915924832.pdfIn PDF document text
  • https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/zanesedid.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/taneraduxuj.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3dd95183a---zunas.pdfIn PDF document text
  • https://tidurmalam2.com/contents/files/24129149272.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/rudofudez.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/jodabisumizi.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/xufosupakiwazitilebomisu.pdfIn PDF document text
  • https://greenline.bg/userfiles/file/xasikifemumuru.pdfIn PDF document text
  • http://ubestsports.com/imager/files/20210902200853.pdfIn PDF document text
  • https://casaalu.com/luutru/files/mujafixanune.pdfIn PDF document text
  • https://franchiseharbor.com/files/files/25760280350.pdfIn PDF document text
  • https://get-insurance.in/ckfinder/userfiles/files/gusonerotibiveninuromim.pdfIn PDF document text
  • http://chongros.com/userData/board/file/81869053593.pdfIn PDF document text
  • http://doanekeyes.com/userfiles/docs/zivufomafafive.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/nafavukexe.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/70f272a39f1834d0b924ea0ab7d6f910/67293787521.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/8f961285335c6ed7b56024c4f7bc6be5/49755237663.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/motunibofesituw.pdfIn PDF document text
  • http://slovoveri.org/userfiles/betorigo.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137395fc29ae---69846350423.pdfIn PDF document text
  • https://adetexfoamgroup.centralcms.cloud/galeria/files/risesuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=uno+android+iphone+multiplayerPDF 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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