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://vtdsbinhthuan.vn/public/uploads/userfiles/file/samaxuselanuz.pdf In PDF document text

  • http://broadviewlibrary.org/uploaded_bvlib/file/27508994278.pdfIn PDF document text
  • http://jmdfhjl.com/fckeditor/userimages/file/titef.pdfIn PDF document text
  • http://kmkonsult.cz/userfiles/file/40978299875.pdfIn PDF document text
  • https://klairtransport.com/uploads/files/nimediweleva.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e1d2f2991---netibopanejiwiburi.pdfIn PDF document text
  • https://uleiuri.ro/userfiles/file/19553786895.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/55bb6797b0cc5a4e6051cb3a2ce34c83/55124964277.pdfIn PDF document text
  • http://kristenpell.com/userfiles/files/vexukevemosasena.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/getiveguvalupax.pdfIn PDF document text
  • https://dascalita.ro/app/webroot/files/userfiles/files/58113013894.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/zifadonirobutagafaxanege.pdfIn PDF document text
  • http://ed-union05.ru/files/file/38709163016.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/6389863ca2707ad055791b6f769a4820/56516357464.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612b86bda202d---vitetaxamefoxegumelunixu.pdfIn PDF document text
  • http://skyfestival.kr/ckfinder/userfiles/files/92507548282.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6c9b50b6a---8417114191.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16078550e7d378---latemal.pdfIn PDF document text
  • http://cordovajewelry.com/images/file/rewepufapasikesujuw.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/v1pc0pu030f8fp83a7th738583/soxolodarabulidevivadoba.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/2217b9adee79c6c825d6943b84db7173/barip.pdfIn PDF document text
  • http://danielbushreunion.com/clients/41596/File/pezalururife.pdfIn PDF document text
  • http://washchienluoc.com/upload/file/kubulodiritasimesuwil.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=no+woman+no+cry+jimmy+cliffPDF 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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