Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 70 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://medvor.ru/uplcv?utm_term=spider+man+unlimited+old+version PDF link annotation

  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/4538e840c74175e3d1090ab184faecc7/20763020870.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161420c9e085fb---rebikumebajabaneteb.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16146e302b489e---mefemapaxigusowo.pdfIn PDF document text
  • https://mekongtransport.com/upload/userfiles/files/tisuvuxawobodenitomu.pdfIn PDF document text
  • http://topnotchimports.com/ckfinder/userfiles/files/92132705132.pdfIn PDF document text
  • http://ministerium.pt/files/muzadavapevelumepileket.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/dakodojubasu.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/ebd8987a096d3d144cfffb9443a4fab5/liwodetijun.pdfIn PDF document text
  • https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/fisefa.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/11500289887.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-25/20210925100031642452.pdfIn PDF document text
  • http://gianphoiduyloimodel.com/Images_upload/files/wubuvoketalurofulesosuko.pdfIn PDF document text
  • http://myepres.com/HotelEstimator/userfiles/file/18748115158.pdfIn PDF document text
  • https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/laxun.pdfIn PDF document text
  • http://disonde.com/filespath/files/20210917132317.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/noxipizuwukijorezuz.pdfIn PDF document text
  • https://meritumptt.pl/dokumenty/file/debufopebuw.pdfIn PDF document text
  • http://ulrike-mayer.de/userfiles/files/vajaj.pdfIn PDF document text
  • http://trunglamdecor.com/uploads/userfiles/file/31152434200.pdfIn PDF document text
  • http://consoles-a-gagner.com/fckeditor/userfiles/file/vuxiwokivad.pdfIn PDF document text
  • https://ambalatender.com/upload/files/2476160924.pdfIn PDF document text
  • http://soupworld.de/upload/file/17311192506.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/xunofiraf.pdfIn PDF document text
  • https://ourguarantees.com/userfiles/file/15800428806.pdfIn PDF document text
  • http://mimpiindah1.com/contents/files/63078910330.pdfIn PDF document text
  • https://accessnepal.org/userfiles/file/37820861876.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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