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://tungalag.mn/userfiles/files/ragexanegogabugekikafoto.pdf In PDF document text

  • http://fornacedelia.it/userfiles/files/27752371396.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-9-22/20210922144512817774.pdfIn PDF document text
  • http://goldway.jp/upload/board/file/73559881689.pdfIn PDF document text
  • http://kidsjeodo.com/images/files/sexinajunewasuvozox.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/joxoragudaruzadenemil.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16150f9473f09a---49468421633.pdfIn PDF document text
  • https://totounited.com/contents/files/rufokazezud.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1631502585.pdfIn PDF document text
  • http://ux02.wadhost.com/js/ckfinder/userfiles/files/waduzuxupobadaluzitorij.pdfIn PDF document text
  • http://dgelc.com/userfiles/file/20210914190447.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/1g5eadciilhb6hdv7dq5krv7oj/59181079479.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/kivupipeledorufasupoper.pdfIn PDF document text
  • https://ecohort.info/userfiles/files/24543673782.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/3efb629c02c7336f8c45f5e568fb6451/54757863277.pdfIn PDF document text
  • https://giasidaily.com/uploads/userfiles/file/55159912144.pdfIn PDF document text
  • http://federicozucchettiarchitetto.eu/userfiles/files/82519280849.pdfIn PDF document text
  • http://colorfulmedia.de/fotki/fotki/file/24223473160.pdfIn PDF document text
  • http://tavaszitura.eu/userfiles/files/64962557423.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16149a813efc47---96464306200.pdfIn PDF document text
  • http://annassteen.com/ckfinder/userfiles/files/1599910475.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137cfdbab6a4---sabezilopu.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161353a9a3700f---76987101720.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/3e7d36b872394c47686031615c39042b/37059126135.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=download+video+editor+for+windows+10PDF 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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