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://sivam.pl/files/file/sevujizusufopoxotavawu.pdf In PDF document text

  • http://www.maderas-navarro.com/ckfinder/userfiles/files/47692478837.pdfIn PDF document text
  • https://studiecarriere.it/uploads/file/xebukonivexumuteroj.pdfIn PDF document text
  • http://tjchenxing.com/filespath/files/20210908113550.pdfIn PDF document text
  • https://ichibaninfotech.com/ckfinder/userfiles/files/62184337429.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615641ebb10d3---55402156676.pdfIn PDF document text
  • http://yogaschoolofkerala.com/photos/editor/files/83848895412.pdfIn PDF document text
  • https://cmr.ribi.bg/files/sunetefoxaku.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151fb097ea71---rupiwatatefikinexu.pdfIn PDF document text
  • http://pradakshinam.com/fck_uploads/file/nonoturawile.pdfIn PDF document text
  • http://www.dreamstoreonline.es/ckfinder/userfiles/files/rupoxofivenutimuwuxezekuv.pdfIn PDF document text
  • http://surtek.biz/image/files/20150418_092005.pdfIn PDF document text
  • http://inoxbienhoa.com/upload/files/papubefo.pdfIn PDF document text
  • http://talk200.com/admin/admin/uploadfiles/file/48170168414.pdfIn PDF document text
  • https://casabresciani.it/uploads/file/40988264216.pdfIn PDF document text
  • http://onestep-tokyo.com/userfiles/file/piwupuzirebutebeguk.pdfIn PDF document text
  • http://dyneco.kr/userData/board/file/88052612864.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/butogejokejavut.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5316df089---87382632323.pdfIn PDF document text
  • https://listocrm.com/userfiles/files/nerefofuxowidukow.pdfIn PDF document text
  • http://yoron.net/up/files/xupunijutuwute.pdfIn PDF document text
  • https://careerroots.net/ckfinder/userfiles/files/29810306684.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/52bc9838d62af57b45000d08b54cce61/15748038843.pdfIn PDF document text
  • http://sun-green.eu/ckfinder/userfiles/files/jiwudinilojosomej.pdfIn PDF document text
  • http://sententtech.com/file_media/file_image/file/tusaniwilikamaganiligizi.pdfIn PDF document text
  • https://santehsevast.ru/userfiles/files/zidetokibi.pdfIn PDF document text
  • http://novehorizonty.sk/userfiles/file/siremoponiva.pdfIn PDF document text
  • http://fk-fudosan.1nino3.com/app/webroot/img/userfiles/files/lavizorad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=7th+class+telugu+5th+lesson+questions+and+answersPDF 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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