Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://medvor.ru/uplcv?utm_term=tft+lol+mobile+apk PDF link annotation

  • http://tion.hu/upload/file/rikegod.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/66214907614.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/cna2u3572jmvqaimmcgnnrsm5v/bebigolawig.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/guzuv.pdfIn PDF document text
  • http://rsst77.ru/upload/files/80304466174.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/titozatazedig.pdfIn PDF document text
  • https://ntpuvoice.com/ckfinder/userfiles/files/rixubovew.pdfIn PDF document text
  • http://vladekoservis.ru/files/padafisufana.pdfIn PDF document text
  • http://dailygameresult.com/editor/UserFiles2/files/717988502.pdfIn PDF document text
  • https://ntc-container.com/upload/files/11008728855.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0c4224847d56b5fc5dd3090f3020ccdf/37725534791.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/wizutiloxazejo.pdfIn PDF document text
  • http://kiajihlava.cz/UserFiles/File/94017078608.pdfIn PDF document text
  • https://winpoasia.com/ckfinder/userfiles/files/75220594506.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/2f186bf70a8475dd379bfed8c6c2d81d/pixesejolaxawupixevup.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161487e4bbf8c8---29647407137.pdfIn PDF document text
  • http://datatech-int.com/userfiles/file/4203373161.pdfIn PDF document text
  • http://mnarch.it/userfiles/files/27382789571.pdfIn PDF document text
  • http://a-daily.jp/app/webroot/contents_img/files/3279623496.pdfIn PDF document text
  • http://edv-denk.com/userfiles/file/4180889616.pdfIn PDF document text
  • http://0965818789.com/CKEdit/upload/files/xofoposofu.pdfIn PDF document text
  • https://veriniams.lt/userfiles/file/31164286898.pdfIn PDF document text
  • http://gat-asset.com/CKEdit/upload/files/19812043867.pdfIn PDF document text
  • 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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