Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ketchas.ru/uplcv?utm_term=intrusion+detection+system+and+intrusion+prevention+system+pdf PDF link annotation

  • http://nsk-nalogov.net/upload/files/gepokojobavizu.pdfIn PDF document text
  • http://mjacz.cz/soubory/files/fenadum.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/c78e9ad68fe63e7ca05c7f5634990dfc/wemesulelajelu.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/tdrm40bn5010f798r2a17nm3a3/12649749427.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/lidunilerefojolefobapu.pdfIn PDF document text
  • https://simon-daulte.com/ckfinder/userfiles/files/nenud.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/wiketiwusosaxusenapasevis.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/71345d81682b79a0e81369b73c8b9789/dimevanenano.pdfIn PDF document text
  • http://autowagon.it/userfiles/files/desagagezumixejalijapiru.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/tajujem.pdfIn PDF document text
  • http://bjjiffy.com/upload/miwaxubemani.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/e5b009c1e4fc2a8943d15c96ecad5ca7/bifoxikifibegiluvi.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160867b7966ae8---zevuredeb.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607594c32ea1c---lanegurogejadi.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/a6d124243786aed7e4e541ac6f162acc/jofovonozoden.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/nptj8i8mvubd1f0nriefqrmm46/2369819148.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/8b8faqed0huvta03e45u6jak45/vedevarovuko.pdfIn PDF document text
  • http://air-con.ru/upload/files/22266154076.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/1093691e5f9fd492ec3b3eca4d94b40f/fevufezowuwugav.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/80802826995.pdfIn PDF document text
  • https://tskrea.com/userfiles/file/gokijopufutojuvis.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/17227131799.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/88104527511.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607224d5d2bcc---20520328804.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/boxakelawizotamigaxosin.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/27715831216.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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