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 https://hygradeinsulators.com/images/uploads/file/wixunufujigor.pdf In PDF document text

  • http://sictombbi.fr/ckfinder/userfiles/files/togamuraluvovazadadagewu.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/r6o3sk140ca0aa0f56jpaqb1rv/67072745741.pdfIn PDF document text
  • https://g55net.com/webpagebuilder/ckfinder/userfiles/files/putarasetabo.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/lilofix.pdfIn PDF document text
  • http://hybsch.it/upload/file/43841191091.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/pipil.pdfIn PDF document text
  • http://skipjackpoke.com/ckfinder/userfiles/files/63177485429.pdfIn PDF document text
  • http://stfurnimart.com/file_media/file_image/file/befijakulet.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/12890293157.pdfIn PDF document text
  • http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46224839447.pdfIn PDF document text
  • http://cl-pub.com/files/files/fuwusuleximenan.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/37178227237.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4f1a520b2---ledukowotabulelatagof.pdfIn PDF document text
  • http://viral-list-machine.com/ckfinder/userfiles/publics/files/21076778565.pdfIn PDF document text
  • http://olgapolyakova.com/files/files/bewoduwofawade.pdfIn PDF document text
  • https://tl-systems.hu/files/files/xigetemimowilolog.pdfIn PDF document text
  • http://zbigniewrodak.pl/galeria/file/levixitabuvopeli.pdfIn PDF document text
  • http://intproplaw.com/admin/uploads/file/molepeg.pdfIn PDF document text
  • http://rehahomecare.com/upload/editor/files/jokuxuki.pdfIn PDF document text
  • http://stfurnimart.com/file_media/file_image/file/51377508501.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/56146900019.pdfIn PDF document text
  • https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/zufeludodisunakatamitima.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133657bc8814---71576946088.pdfIn PDF document text
  • http://baocaosuhoatoc.com/luutru/files/kisuranibe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=lollipop+android+version+download+apkPDF link annotation
  • http://irodori.kir.jp/files/file/97005557960.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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