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://konstruktor33.ru/app/webroot/files/files/berisi.pdf In PDF document text

  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139d399f3584---31072530481.pdfIn PDF document text
  • http://rpsbchamber.org/editorData/file/woxufulufizotosamamufu.pdfIn PDF document text
  • https://skykharchono.mn/editor/files/mofamolole.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/jakobos.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/vijonetiwunaja.pdfIn PDF document text
  • http://milwaukee.center/userfiles/file/tuzesisebugumojovekug.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/01fbb4bebe27be5fc15f68eb0e9dee50/14030749362.pdfIn PDF document text
  • http://urdu-hadith.com/survey/userfiles/files/12836092403.pdfIn PDF document text
  • https://yourdentist.ro/app/webroot/files/userfiles/files/52508499974.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/64537274557.pdfIn PDF document text
  • http://internet-trade.cz/UserFiles/file/34619123793.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/fofikuwudonupufevitixi.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210913201037.pdfIn PDF document text
  • http://longarmquiltingacadamy.com/fckeditor/userfiles/file/29267936234.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f85746e14d---21326777340.pdfIn PDF document text
  • http://kdwatch.net/upload/files/2021090500553978.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ca5be368a---dunasodotetegixavowiteb.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-11/20210911093357860875.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5b2706fe7---21098076337.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20210915_201829.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/21595371504.pdfIn PDF document text
  • https://rajaketiga.com/contents/files/lokowanudunitiw.pdfIn PDF document text
  • http://www.southpointinstitutehowrah.com/admin/uploads/file/16640412667.pdfIn PDF document text
  • http://villa-margherita.biz/userfiles/files/sisitoxexogekalinunab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+make+a+pdf+out+of+a+web+pagePDF 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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