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://synerhu.ru/uplcv?utm_term=windows+8+product+key+2020 PDF link annotation

  • https://emons-verlag.com/testarea/cwsCMSlight/media/files/tatofekoma.pdfIn PDF document text
  • http://denprokhorov.ru/images/file/vasep.pdfIn PDF document text
  • http://massarentearchitettura.com/userfiles/files/11717805023.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/8313567821.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/73858051942.pdfIn PDF document text
  • https://www.hippocratio.gr/ckfinder/userfiles/files/25280182546.pdfIn PDF document text
  • https://cakenflowersonline.com/userfiles/file/nalagezonem.pdfIn PDF document text
  • https://milosislandrooms.gr/userfiles/file/11890626930.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2996767a1---13280936549.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16141d69a82e67---dovuraj.pdfIn PDF document text
  • http://advertisingreports.info/assets/ckfinder/core/connector/php/uploads/files/25711855718.pdfIn PDF document text
  • https://nezamirekhaseafoods.com/userfiles/file/1554531249.pdfIn PDF document text
  • http://2safe4u.cz/UserFiles/File/mobotewonegima.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/7405830475.pdfIn PDF document text
  • http://luchetti.it/userfiles/files/28908509941.pdfIn PDF document text
  • http://ausafe.net/images/art/files/54036054037.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/4239135579.pdfIn PDF document text
  • http://csc0731.com/userfiles/file/20210910001628_wi7k3x.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/668rabavvetmp4r9b78tulo8c1/12263576955.pdfIn PDF document text
  • http://icloudcleaners.com/uploads/account/autoresponderfiles/65842109560.pdfIn PDF document text
  • http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/mopiwo.pdfIn PDF document text
  • http://theseadiaries.com/ckfinder/userfiles/files/80894045403.pdfIn PDF document text
  • https://biographiewerkstatt-singer.de/userfiles/file/72159442781.pdfIn PDF document text
  • https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/topelobez.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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