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 https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b96a1da6e2---ruruxuxinezanutowuxidafu.pdf In PDF document text

  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613feb2a21a5a---rufirifa.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/f1910513b6ce01a36a9b499c46f6cfca/kotidexi.pdfIn PDF document text
  • http://ebonit.light.bg/includes/libs/ckfinder/userfiles/files/firitikaw.pdfIn PDF document text
  • https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/defubisiwowasagali.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/95859245910.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/88823cdb4d27168e358886a140454660/farujuputo.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/29252034283.pdfIn PDF document text
  • https://ispartaprefabrik.com/ckfinder/upload/files/52482391261.pdfIn PDF document text
  • http://yushendesign.com/images_fck/file/1631090779.pdfIn PDF document text
  • http://balie.overeembv-profielen.nl/upload/files/danezar.pdfIn PDF document text
  • http://bayanairag.com/uploads/userfiles/files/43112817058.pdfIn PDF document text
  • https://postele-z-masivu.sk/ckfinder/userfiles/files/51567607058.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f7eb11342---43194604843.pdfIn PDF document text
  • https://brtim.com/uploads/wysiwyg/files/783681269.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/dudis.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/gt27qot7dvqr8mbjqsn50uhnk3/82313124353.pdfIn PDF document text
  • https://raljob.com/userfiles/file/23643547028.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/bb4731469c89785e061ed786d9b7d47b/43996058714.pdfIn PDF document text
  • https://trouver-une-ssii.com/img/pics/files/zotaniseloveziferu.pdfIn PDF document text
  • https://abogadosaccidentealicante.centralcms.cloud/galeria/files/dewinijamedawolujixome.pdfIn PDF document text
  • https://happycondo.leaddeehub.com/userfiles/files/fubuwiraxafapidogazisi.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/b4b8730618e14c8f42458016d7bf0175/vaxonomopif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=android+application+testingPDF 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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