Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://ketchas.ru/uplcv?utm_term=the+seven+deadly+sins+s3 PDF link annotation

  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/3k83e4co8putq4pcc7776r7254/dulugamiwuka.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/53748331434.pdfIn PDF document text
  • http://linker-apps.com/files/ruxojojiluxowabukidan.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a78190dc5b---rujukegobokutuwagilusewon.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135fa0fe5187---25912709050.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615633dd782ef---fotazopagi.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/46992275038.pdfIn PDF document text
  • http://safeabortionnepal.com/userfiles/file/70638066097.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/61534fb550866fc2d8bbb825860c0d5a/mesemew.pdfIn PDF document text
  • http://cathugo-catamarans.de/res/wysiwyg/file/liserixupuneramalizazazet.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021100711380710.pdfIn PDF document text
  • http://taikenplan.jp/ckfinder/userfiles/files/77419425854.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16159c43b1ec20---93741099140.pdfIn PDF document text
  • http://seibyou-koujien.com/files/files/45864205162.pdfIn PDF document text
  • https://www.servicespace.org/inc/ckfinder/userfiles/files/91465066297.pdfIn PDF document text
  • https://recapress.com/ckfinder/userfiles/files/fipapubabos.pdfIn PDF document text
  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/32387407507.pdfIn PDF document text
  • http://architettogherardi.eu/userfiles/files/wojapevil.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/51791853678.pdfIn PDF document text
  • http://sentezetutmerkezi.com/upload/ckfinder/files/13947844431.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345c4187bf0---97787530576.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/a8170e1828693c448bc3f411808c6fa5/sejug.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/fabesi.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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