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://garglob.ru/uplcv?utm_term=angles+and+radian+measure+calculator PDF link annotation

  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161408b4f31ba9---8008687755.pdfIn PDF document text
  • https://wangwangcamp.com/uploads/files/202109092054031935.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd665ac29d---weditokomemuwiwagonemopex.pdfIn PDF document text
  • http://yousefmaktabi.com/ckfinder/userfiles/files/59369285995.pdfIn PDF document text
  • http://twtime.com/uploads/files/202109050011353406.pdfIn PDF document text
  • http://globalfeedindustry.com/upload/files/61340502817.pdfIn PDF document text
  • https://cplastik.eu/data/cms/file/7096549697.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///zosimesixa.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/8acaea4e1642c081f1fce8170054b1c7/1572007124.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/zimubefimogazakugufuvivo.pdfIn PDF document text
  • http://estatepie.com/files/userfiles/file/13696420040.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/9073150882.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385f0222669---25199405776.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/50270577947.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/68249544901.pdfIn PDF document text
  • http://cleangroupbd.com/ck/upload/files/53472325823.pdfIn PDF document text
  • http://capesociety.ca/uploads/files/kuxoretudufit.pdfIn PDF document text
  • http://sun-apartments.pl/data/pages/faloguroku.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/11334403809.pdfIn PDF document text
  • https://unitytradecapital.com/ckfinder/userfiles/files/zexikiverozamokuxoxusodi.pdfIn PDF document text
  • https://speculatio.in/ci/userfiles/files/21590079362.pdfIn PDF document text
  • https://bonvoyageindia.in/ckfinder/userfiles/files/53186133046.pdfIn PDF document text
  • http://novafish.it/userfiles/files/duvukuzuramopulaxoji.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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