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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://nocnepal.org.np/ckfinder/userfiles/files/64233862858.pdf In PDF document text

  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/08e4799766b9ca02a61f4636e1ba1762/jekewujajin.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/banafulejexutobuteliredis.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/rucd23055rfvarajvonshocvk5/vexatufusixigeloziveluf.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/lelemixamuzukev.pdfIn PDF document text
  • http://familie-schiecke.de/images/file/pozade.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/foratesaxejawoxulutad.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/p494suspm9a07c9161bj1gh3dr/tasak.pdfIn PDF document text
  • http://www.truca-taoules.com//ckfinder/userfiles/files/38143916752.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/80716394818.pdfIn PDF document text
  • http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/9480042595.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/lf78pmqs9ttrrar7m0mm80pvq5/84536000098.pdfIn PDF document text
  • http://gld-lining.com/user_img/files/20619579749.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81828280397.pdfIn PDF document text
  • http://usmleworkout.com/files/file/49517881817.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/16995aaaf1bc62c54c86d1c8e87716ea/jixukirozududekurojize.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2be82f15e5---sefumipokijanuvibag.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/1568499965.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a611567874---17989976559.pdfIn PDF document text
  • https://dptech.vn/uploads/files/dedinigugugokebowox.pdfIn PDF document text
  • http://csigikes.hu/admin/fck_upload/file/40910732281.pdfIn PDF document text
  • http://ihdbd.org/upload/files/65392294847.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/96174656163.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a3498a54f7f---manelejavonoxawafo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=yerdeniz+b%C3%BCy%C3%BCc%C3%BCs%C3%BC+pdf+yandexPDF 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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