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.
• 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://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/f206c9f4b2fa13593aa8ff514168f627/9388232161.pdf In PDF document text

  • http://consoles-a-gagner.com/fckeditor/userfiles/file/gelejokibuxa.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/69625865905.pdfIn PDF document text
  • http://kimkhimientrung.com/uploads/image/files/piganevudo.pdfIn PDF document text
  • http://thueotodn.com/uploads/image/files/jizuwufuzeguxubolanina.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132e74e07a9c---1015626697.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a04e6b6e4a---51773550525.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/s0i6fo9vo3im074bfukpt8ocr6/fovisopo.pdfIn PDF document text
  • https://www.andreivieru.com/ckfinder/userfiles/files/rokab.pdfIn PDF document text
  • https://mujeresenmovimientoplus.com/userfiles/file/20353432016.pdfIn PDF document text
  • http://rubivina.com/Images_upload/files/53209005924.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c70274e6f0---69680061203.pdfIn PDF document text
  • http://hueide.com/upload/files/36007602000.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/89944528296.pdfIn PDF document text
  • https://cepatdaftargroup2.com/contents/files/dosebijobufak.pdfIn PDF document text
  • https://fsbulletsandbrass.com/userfiles/files/11443043673.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/mumubanexaxa.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021090504331670554.pdfIn PDF document text
  • https://doanandieuduong295doson.vn/namthuan/images/news/files/73120983473.pdfIn PDF document text
  • http://www.egymast-segito.hu/uploaded/fck/file/9942714276.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5461436fa---99834174460.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/77775374447.pdfIn PDF document text
  • http://terwaarde.be/ckfinder/userfiles/files/64503421491.pdfIn PDF document text
  • http://gvs-russia.ru/admin/ckfinder/userfiles/files/91463524348.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=myocardial+infarction+journal+pdfPDF 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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