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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://krisoc.ru/uplcv?utm_term=chromium+edge+windows+7 PDF link annotation

  • http://www.drivingschool-brno.cz/files/files/gegibugazibepe.pdfIn PDF document text
  • https://xn--80aab4aif1bzi.xn--07-6kc3bf4angc2g.xn--p1ai/files/files/weluvavekupavunedi.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/10cafa947f8083fad1250837e4454695/43975789403.pdfIn PDF document text
  • http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/natadupigajezabuditi.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/90980522154.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/rarubimizoj.pdfIn PDF document text
  • http://poliambulatorioargentina.eu/userfiles/files/96898550116.pdfIn PDF document text
  • http://xinge168.com/uploads/files/20211031124802_232181.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/83528134464.pdfIn PDF document text
  • http://agro-pasz.pl/ckfinder/userfiles/files/85035487333.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/miln1013s1mtm3p0fo34s87jv6/34932109243.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16186fb0f0ad22---91628420352.pdfIn PDF document text
  • http://hospitalityroyal.com/upload_files/file/rorepavupaludegubog.pdfIn PDF document text
  • https://locktactyuma.com/ckfinder/userfiles/files/kikerimabisejavope.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/56458421342.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/xolamo.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f57c1b48dd---tudaj.pdfIn PDF document text
  • http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/webapojuv.pdfIn PDF document text
  • http://xn--80adic7alej3d.xn--p1ai/userfiles/file/mipebusivuzaxitibu.pdfIn PDF document text
  • http://henskeschildersbedrijf.nl/upload/30208685761.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/rimipazuvodorivatunonoge.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16179d039482c2---fukipaxovaboxozimuwalob.pdfIn PDF document text
  • http://gloria-eurex.com/images/blog/file/62808937424.pdfIn PDF document text
  • https://ashasuchikala.com/ckfinder/userfiles/files/14309445513.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 extracted file (font_00_sfnt_off00036762.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00036762.bin)

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