Malicious PDF — malware analysis report

Heuristics 6

• 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 http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160c49ae2df1ec---95185479678.pdf In PDF document text

  • https://sharkovinkom.com/sharkovinkom.com/ckfinder/userfiles/files/32268602235.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160826dfb3e62b---pipogebozejuvasipalo.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/dd2ihn113r2rqcu7n7oucfrr4b/56953177374.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/20570220809.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16092a1d998755---fitufamojebalok.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/fodamawabu.pdfIn PDF document text
  • http://gardensyellowcab.com/admin/images/file/bogixewiduk.pdfIn PDF document text
  • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/85d2148b0b65464399492df2af65bdf4/4014213371.pdfIn PDF document text
  • http://hms31.ru/img/file/34353693890.pdfIn PDF document text
  • http://com123.vn/uploads/file/4871330404.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160d91e431778c---29348167125.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/j4234j6surn02p4ioahcbi3qhd/girel.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/32424618686.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8e574493b---55147205102.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/m1nesqvhci6qdqnvhvm8o296om/86444342977.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/1e6662c289071ff1ffc4a887b0689a73/fozakodasogede.pdfIn PDF document text
  • http://elitakhealing.com/ckfinder/userfiles/files/pokujapuxaduxatamexuwi.pdfIn PDF document text
  • https://miguktour.com/FileData/ckfinder/files/20210810_86C2898774A9000F.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/pifakanalizo.pdfIn PDF document text
  • http://getsolarnj.com/userfiles/file/91726261105.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945b41833a5---24162931396.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/kq6u38tg40qg3j9b0esu1mhkg9/63275232537.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/62071827507.pdfIn PDF document text
  • https://hyosungulf.com/uploads/file/zimisiwe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=creatividad+e+innovacion+en+educacion+pdfPDF 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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