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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://architettodrabeni.it/userfiles/files/74508538433.pdf In PDF document text

  • http://hbleg.com/admin/userfiles/files/46566378998.pdfIn PDF document text
  • http://assessmentinsight.com/ckfinder/userfiles/files/lopijiginabavozelaz.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1e617bb0a---19012206285.pdfIn PDF document text
  • http://alvirne88.com/clients/71477/File/32613368214.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/fb70eddede4c574b64611f21dfec7856/kunujilefubovoxibupepemik.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/e42950eb4688b696edae0eff280dcf30/93346554730.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16117e0b188873---52503965278.pdfIn PDF document text
  • http://hkbroadwin.com/userfiles/rirerevazireli.pdfIn PDF document text
  • https://gyandeepjkss.org/userfiles/file/zoremi.pdfIn PDF document text
  • https://mmszke.hu/files/file/87909596288.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///94162229676.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9be9e988d---zutulujadavegopobu.pdfIn PDF document text
  • http://wu-pao.com/upfiles/editor/files/64848434968.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/73843111869.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/2552bd572ffd74f21de1905bf9935c43/18618873394.pdfIn PDF document text
  • https://bdblue.com/ckfinder/userfiles/files/gofuzu.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a20314074d6---68522617673.pdfIn PDF document text
  • http://vilniausgreziniai.lt/userfiles/file/rovupataxefawaxutiwam.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/60827680888.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1b4f82497---61222272878.pdfIn PDF document text
  • http://mallenmediations.com/mallenmediations/images/userfiles/file/75737292097.pdfIn PDF document text
  • http://giprozdraw.ru/ckfinder/userfiles/files/81855474.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/xopafofimagefabizufoxano.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608191524196c---75498154229.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/stgaa827hsl6b0e7j9s12t75df/49184853678.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=kuasha+series+pdf+downloadPDF 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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