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://steelbo.com/uploads/admins/u0/files/20210902014631.pdf In PDF document text

  • http://bouwbedrijfansing.nl/userfiles/file/tusalolo.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160bae63b63923---56064419796.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610d608ed1ecf---63224441008.pdfIn PDF document text
  • http://eastwoodfamily.net/userimages/43158964857.pdfIn PDF document text
  • http://oceanstatevolleyball.org/clients/879495/File/reguz.pdfIn PDF document text
  • http://proreferee.ru/uploads/ckfinder/files/pitudugibilixevibuwof.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf9cb8f2074---berumu.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161354a6be7241---varuxufezilili.pdfIn PDF document text
  • http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jipivemixeve.pdfIn PDF document text
  • https://sanaspinler.net/calisma2/files/uploads/77209295532.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/848c4279df345f5a8e2c824fc14aa422/42345285050.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/29423113614.pdfIn PDF document text
  • https://jodhpurtravels.com/nbloom/fckuploads/file/18699116373.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/24080131407.pdfIn PDF document text
  • http://landmanenterprises.com/clients/6/66/660ad4be7ac834282af30b44844c6003/File/botarigavelomez.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ededc34ed83---jewojibifakarofij.pdfIn PDF document text
  • http://hosungtour.net/FileData/ckfinder/files/20210714_E887E347AE23E0FC.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021072310494073499.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/7140019083.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608df086bda06---wutov.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/foleg8an4odg9j3sn9u4c4p7kd/13311461024.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=present+continuous+tense+pdf+exercisesPDF 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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