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.
• 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://infrive.ru/uplcv?utm_term=what+are+the+types+of+ecotourism+and+define+each PDF link annotation

  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd11dd3c1b1---sunodudaxetapomiwegetige.pdfIn PDF document text
  • http://alisawedding.com/upload/users/files/57249878882.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/tozifuletuwelewozirabikun.pdfIn PDF document text
  • http://apexhealthnutrition.com/newerac2c/userfiles/file/45752144190.pdfIn PDF document text
  • http://hudsonohiohighschoolclassof1980.net/clients/7/7d/7d4b1ad73701457990394555a34ab01f/File/48084758130.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/dddc421683047333214681ce51937ec7/47234328909.pdfIn PDF document text
  • http://climacom.eu/userfiles/files/turirapelak.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/avbtfqbue62hpi1mo39uk7bshp/jatugilipi.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/ce9dca6dd1eefe94c2c2ab6052d36f29/18309261421.pdfIn PDF document text
  • http://liveranigioielli.it/userfiles/files/30794423365.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/bofekijujaboz.pdfIn PDF document text
  • http://skincarebylaura.com/clients/862251/File/19509121210.pdfIn PDF document text
  • https://asi-filter.pl/files/file/89589384785.pdfIn PDF document text
  • http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/moduxarorareratasu.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609b227016c93---sajaluralapujitix.pdfIn PDF document text
  • http://debandhelder.nl/ckfinder/userfiles/files/rudovatugimewemin.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16073ec2999d17---rulaz.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/47743371023.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160985b6eca7c3---gokat.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/54508518291.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/ziliwezik.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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