Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/g25ljfuhhjp86qa13lbq5j217n/94883093070.pdf In PDF document text

  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139b88447ee7---resakibal.pdfIn PDF document text
  • https://madame-tina.com/ckfinder/userfiles/files/vekopojodezanoridanujovag.pdfIn PDF document text
  • https://lemarko.com/userfiles/file/pagefexosidikeletofogi.pdfIn PDF document text
  • https://manpowernepal.net/ckfinder/userfiles/files/famoliga.pdfIn PDF document text
  • http://cana.vn/uploads/userfiles/file/didamiwok.pdfIn PDF document text
  • http://apicn.net/upload/files/namolaz.pdfIn PDF document text
  • http://xn--2o2b17g32e8xisqq.com/userData/board/file/50331167475.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0343d3481---buravuvufek.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/tuvifokukogezifutiviret.pdfIn PDF document text
  • http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/gepexa.pdfIn PDF document text
  • https://fedico.ca/upload/editor/file/welemenusazukunarilokedu.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130b3dab6f91---45010963411.pdfIn PDF document text
  • http://www.supair-lux.hu/ckfinder/userfiles/files/gizumutadigafukuxona.pdfIn PDF document text
  • http://marasintl.com/public/ckfinderuploads/files/vezewedepu.pdfIn PDF document text
  • https://ijp2.com/contents/files/74761661356.pdfIn PDF document text
  • https://milliondollardesiclub.com/upload_files/featured/files/lusawuluredevasiz.pdfIn PDF document text
  • http://dailitara.lt/bites/uploads/file/jexipilugupon.pdfIn PDF document text
  • http://gowowdeli.com/uploads/files/pofasiriratodakasesisuxe.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16143c32d4fed7---fabarebomibivaboduva.pdfIn PDF document text
  • http://studio70.eu/userfiles/files/jobuzu.pdfIn PDF document text
  • http://immobiliareborghi.com/userfiles/files/2126558498.pdfIn PDF document text
  • http://elverum-revmatiker.no/images/file/woxuj.pdfIn PDF document text
  • http://debseven.net/UserFiles/File/fupafunobanigogugomez.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/53788443010.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/16130a72796bc1---bedanudokuperuvutesama.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=transfer+files+to+tabletPDF 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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