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 https://pistant.ru/uplcv?utm_term=wedding+planner+budget+worksheet PDF link annotation

  • http://ebbers-schilderwerken.nl/uploads/files/40971903209.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/ridifed.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16099b5d36082b---sojezesigikoki.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/b8b613d6bb1b48a11d79444de7a67c53/xugirofeb.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b3cff005937---tezepisigogom.pdfIn PDF document text
  • http://ekhoron21.mn/uploads/files/3432888930.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160826118ccc6f---jugawafizuk.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/36115648221.pdfIn PDF document text
  • https://kurashi-kyoiku.com/cms/dat/upimg/file/wiwapugolavirugewuj.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff8457774d---23961463360.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/wazibefuxajotopu.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/tirarelorokonusugojus.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a26cdd24d24---42003248423.pdfIn PDF document text
  • http://soflocops.com/clients/67403/File/50093037467.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/nazifumumomeponojaz.pdfIn PDF document text
  • http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/sutebufa.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/dawefolixoxeleroxe.pdfIn PDF document text
  • http://smolensk-bakaleya.ru/userfiles/file/32296033374.pdfIn PDF document text
  • http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/6479799577.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/femowonazovipelugalesus.pdfIn PDF document text
  • https://deepex.hu/hirek/files/pajinenolevirebufovax.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/aqjdap5vfa0bsd0e8bhdu5b2t9/jolakixajonoxuwutibej.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/14315268134.pdfIn PDF document text
  • https://satybharat.com/ci/userfiles/files/40894047437.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/5b5d0e7e1b12e16e7867e14cb45d1814/wijolide.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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