Malicious PDF — malware analysis report

Heuristics 7

• 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
• 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 https://drafthe.ru/uplcv?utm_term=chrome+android+layout+change PDF link annotation

  • http://taispacedesign.com/upload/files/86670706821.pdfIn PDF document text
  • https://anakaygame.net/calisma2/files/uploads/59882843386.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16146e5ee66fe5---38505174502.pdfIn PDF document text
  • http://protok.pro/upload/files/setojalepuxuja.pdfIn PDF document text
  • https://tierlistei.ch/downloads/23348868940.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/44583387863.pdfIn PDF document text
  • https://ienter.bg/files/60869734164.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/pexurenetekaladajikudo.pdfIn PDF document text
  • http://alajwakh.com/uploaded_files/userfiles/files/41273387070.pdfIn PDF document text
  • http://lso-msm.fr/userfiles/file/54089062068.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c000647227---45891109743.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16132ae8d7bac0---kazewanowitedanaxeniwesu.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/kukizefuziwilifefura.pdfIn PDF document text
  • http://all-paca.com/ckeditor/ckfinder/core/connector/php/uploads/files/61165572094.pdfIn PDF document text
  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vodiwarikusapaputufa.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/mirqqcq2vjosh96v7gn4ncpgqt/81816912911.pdfIn PDF document text
  • http://bebaldebaran.eu/userfiles/files/xiletofanezazomi.pdfIn PDF document text
  • https://ingatlanfelugyelet.hu/uploads/file/67102301429.pdfIn PDF document text
  • http://aj-freight.com/ckfinder/userfiles/files/palixamasefexilurabo.pdfIn PDF document text
  • https://marljivo.hr/UserFiles/files/nuwawapipewenikebodiz.pdfIn PDF document text
  • http://vitalbafitnessclub.eu/userfiles/files/reduwefinabavezed.pdfIn PDF document text
  • https://specializedfacilitymgt.com/public_html/userfiles/file/gobejiw.pdfIn PDF document text
  • http://studioguagnoni.it/userfiles/files/16610509557.pdfIn PDF document text
  • https://exihomes.com/userfiles/files/wekagigiwosavimotel.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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