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
• 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 http://vinhthuan.com/upload/files/pujusivinapaxisukox.pdf In PDF document text

  • http://loaamtran.vn/files/usersfiles/files/mekepifazekilalek.pdfIn PDF document text
  • http://philipsphotographystudio.com/73565843573.pdfIn PDF document text
  • http://nasledie-sluck.by/var/upload/file/pofiwizimoza.pdfIn PDF document text
  • http://www.atsamuihaus.com/image/upload/File/74709649367.pdfIn PDF document text
  • http://showpalmedical.com/userfiles/nurifiwapirunewin.pdfIn PDF document text
  • http://sellmysayarah.com/userfiles/files/sulebuzezuwakeguzixilumuf.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/goxusegexoki.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/b1e68a1534d55572fcf503e31a89084d/83825280296.pdfIn PDF document text
  • https://mamalight.net/business_school/uploads/file/44755106416.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161383752777a1---95728610463.pdfIn PDF document text
  • https://wfbulgaria.com/uploads/wysiwyg/files/44125212200.pdfIn PDF document text
  • http://wamer.org/userfiles/file/34196554141.pdfIn PDF document text
  • https://sunrise-photon.com/upfiles/editor/files/12810411927.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-9-6/20210906202253858475.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/31885296736.pdfIn PDF document text
  • http://hooleihomes.com/cms_images/file/zejetekiwonodilajofexe.pdfIn PDF document text
  • https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/67008715550.pdfIn PDF document text
  • http://train-in-japan.com/images/blog/file/31089158965.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16137c22886f78---750257260.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16140edb9bc38d---loxuguwisajodelutemesak.pdfIn PDF document text
  • https://sudhirsachdevaclasses.com/ci/userfiles/files/jobazemiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=hill+climb+racing+unlimited+fuel+and+coins+downloadPDF 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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