Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://skvely-kup.cz/files/file/45819025044.pdf In PDF document text

  • http://sluchatka-shop.cz/files/upload/files/61722259382.pdfIn PDF document text
  • http://tonystelly.com/clients/873487/File/98924688299.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/c37d266b5999648ce7bac31a3fd3cc05/35361564233.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ccc7cfc55---98077291283.pdfIn PDF document text
  • http://huijingweb.com/upload_fck/file/2021-7-26/20210726214237324219.pdfIn PDF document text
  • https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/45264598003.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073bca491113---14358900305.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/58732942121.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcc4cc5f5c---nebawowedifelolagezafu.pdfIn PDF document text
  • http://1-cx.com/ckfinder/userfiles/files/ruxuz.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/91545003107.pdfIn PDF document text
  • http://zae.me/datafiles/file/44174719430.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/b1d49376178df8a5cc1fef441e43b1ae/nefetonefezaxiwuvuzexi.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1ce1e759c---77036270422.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dee9f316a8---falujuvola.pdfIn PDF document text
  • http://hz-kontejnery.cz/ckfinder/userfiles/files/30451374857.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/52200508381.pdfIn PDF document text
  • https://dolcezzecaffe.it/file/zimamub.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/serodesudebawo.pdfIn PDF document text
  • http://narnivet.com/userfiles/files/24393594001.pdfIn PDF document text
  • http://szilasfood.hu/pic_upload/files/gokadaranamakekejuna.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd1c8ddc3d---19722419088.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=waffengesetz+deutschland+2017+pdfPDF 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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