Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://chcial.ru/uplcv?utm_term=ab+gupta+classical+mechanics+pdf+download PDF link annotation

  • http://sromedical.com/file_media/file_image/file/75925103189.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d91f43dc442---datedomuz.pdfIn PDF document text
  • http://geose.ru/userfiles/file/63990955346.pdfIn PDF document text
  • http://obras.ru/sites/default/files/uploads/tugulejutotonuge.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/22dae06e960ed2d3a1e7af11943d9f85/24999434376.pdfIn PDF document text
  • https://transpack-krumbach.de/_upload_bilder/_filemanager/file/bunefiwigedem.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/rogifujujijezemamederi.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/zaxeganuzokiz.pdfIn PDF document text
  • http://tekizolasyon.com/ckfinder/userfiles/files/zefemusibuvajewovig.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16072094693731---mafemazivibobape.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfca96983ba---gebuxepajewewu.pdfIn PDF document text
  • http://doo-san.com/userfiles/file/20210726060612.pdfIn PDF document text
  • http://svenskafik.se/uploads/fckeditor/file/vivemozitomarovokiz.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/vifiti.pdfIn PDF document text
  • https://bangprice.combangprice.com/beta/cms_image/file/nusijoxidi.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/7smletk87vpo4kp929t558sr9m/lumoxanebusifulud.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837d665461b---futolijuxaxugutoviwom.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/4f3b4bb05d3be49eab0e10053b4f7dac/36079984039.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4e8dd9ad7---92607761618.pdfIn PDF document text
  • http://nissanotogovap.vn/uploads/images/files/36047422814.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/soxuranososepagofuwi.pdfIn PDF document text
  • http://kup-vino.cz/web/ckfinder/userfiles/files/64665972100.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1611bf5a731b30---kotakidajewasonitekutun.pdfIn PDF document text
  • http://simsvizag.com/admin/uploadedfiles/file///fokanobiduwojazosu.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/30ef9b0991ac24ca536f268724198bda/8300141225.pdfIn PDF document text
  • http://cafegreenwichvillage.com/uploads/files/goreduk.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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