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://polenes.cl/userfiles/file/62923069354.pdf In PDF document text

  • http://tabbanbros.com/admin/fckeditor/editor/filemanager/connectors/upload/file/totokoligefabesevizewe.pdfIn PDF document text
  • http://becskeicsodajo.hu/admin/fck_upload/file/29551855205.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/mewitabe.pdfIn PDF document text
  • http://cheumst.com/upload/fckeditor/file/pasivo.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbde032bc8---dujojikiwifeweraraje.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16135b117e54d2---70511257319.pdfIn PDF document text
  • http://lg-palette.com/upload/files/96764418333.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161380baad63c9---35748593366.pdfIn PDF document text
  • http://naturalfurnish.com/userfiles/file/46826801796.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/58081005694.pdfIn PDF document text
  • http://studiotecnicomaglio.it/userfiles/files/13241981443.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/db76f0ba058c3d01d310f0d29dc6c729/ginavexozuse.pdfIn PDF document text
  • http://geotersrl.it/file/31149508259.pdfIn PDF document text
  • http://dasbluemchen.com/fazoxozoveranadulusofe.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/falimit.pdfIn PDF document text
  • http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/29516167679.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/d397f6b62abddd0295ba82d218116aa5/wawisavobiripumalinov.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130667d1cdc6---jakufaribem.pdfIn PDF document text
  • http://lagerunda.it/public/upload/file/49191093396.pdfIn PDF document text
  • http://ptichile.cl/userfiles/file/4765947873.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///ganuketu.pdfIn PDF document text
  • http://makairways.in/home/makairways2017/public_html/dowalumniusa/ckfinder/userfiles/files/27021593228.pdfIn PDF document text
  • http://aodaibooking.com/FileData/ckfinder/files/20210904_B6D3E80356301ADE.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=erwin+schrodinger+quantum+mechanical+model+of+the+atomPDF 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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