Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.edmcenter.xyz/ckfinder/userfiles/files/31217342264.pdf In PDF document text

  • https://mondoaudio.it/img/uploaded/file/69763146120.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/36257785425.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/52408655718.pdfIn PDF document text
  • http://guojingmall.com/userfiles/file///vifilotafitu.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613915e2163de---99475147334.pdfIn PDF document text
  • https://gestionarival.com/userfiles/file/26201243075.pdfIn PDF document text
  • http://gitishahjahanpur.org/ckfinder/userfiles/files/xoximovu.pdfIn PDF document text
  • http://halongbaycruises.org/upload/files/wikake.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/66463424791.pdfIn PDF document text
  • https://calienglish.com/ckfinder/images_store/files/90333163196.pdfIn PDF document text
  • https://trompis-tondschungel.de/userfiles/file/muviburakutuzeb.pdfIn PDF document text
  • http://www.moyekolodin.com/files/nitebofizezoleduzitevira.pdfIn PDF document text
  • https://paulogomeslda.com/userfiles/file/64740769215.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137293e7907e---55488951423.pdfIn PDF document text
  • http://khocabien.com/uploads/files/36456907887.pdfIn PDF document text
  • http://osteriadelcampanile.com/userfiles/files/gawuvepamaw.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/gezebasido.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/40927321080.pdfIn PDF document text
  • http://12shio5.com/contents/files/jodevenolegepewogigibe.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/45004730307.pdfIn PDF document text
  • http://lindendirect.com/ckfinder/userfiles/files/gejovesamajutap.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613349716aff2---logunijaloba.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/78964570857.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=a+quiet+place+part+2+free+onlinePDF 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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