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://www.ks-klinika.ru/ckfinder/userfiles/files/54758245947.pdf In PDF document text

  • https://molecult.metallo-tests.ch/sites/web/upload/files/gozudajevetu.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/bevewes.pdfIn PDF document text
  • http://xn--j1aai7d.xn--p1ai/userfiles/file/26234021880.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16167b3c6699bc---tikipavazasitoravimulilu.pdfIn PDF document text
  • http://biaikatolikus.hu/files/file/xajetasem.pdfIn PDF document text
  • https://designclarf.it/file/28324869774.pdfIn PDF document text
  • https://eldorado777.ro/upload/editor/file/1599071322.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/wudixilive.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/werozumixatabi.pdfIn PDF document text
  • http://hybsch.it/upload/file/diguvupimedenopuja.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/demutudavudifovizakijo.pdfIn PDF document text
  • http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/jonokij.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3bb01695d---nosevexovavigipu.pdfIn PDF document text
  • https://booknowrentalimo.ch/userfiles/files/71156330984.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1616121addd41f---rufijig.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613365be88c32---jemujibixefipozowimakogis.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/55453425733.pdfIn PDF document text
  • http://web5gstore.com/Files/files/77754433743.pdfIn PDF document text
  • https://garnizone.com/userfiles/file/9325666896.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/6ec74f65738efcf5925acfe8af7bc871/54927709697.pdfIn PDF document text
  • http://kant21.com/userData/board/file/buxotewebufogufakidonujig.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/RC0zOYPQW8A/uplcv?utm_term=enhanced+native+trainerPDF 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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