Malicious PDF — malware analysis report

Heuristics 5

• 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://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed7ade7fed---silibuwerodikigobamozarow.pdf In PDF document text

  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/171b6239524dc8fb41f18a0f036561d9/gefidivebex.pdfIn PDF document text
  • http://takeacode.com/user/d41d8cd98f00b204e9800998ecf8427e/file/sofewogelepadupugodubom.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a1427b27478---wenigegumagimobokip.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160b667127bc2c---23670807308.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf19b3562f---85799858392.pdfIn PDF document text
  • https://journalofcritique.com/ckdosyalari/upload/files/ziguvilijevabadipedorezow.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/45160483926.pdfIn PDF document text
  • http://www.beautyvogue.ch/Files/file/39641837712.pdfIn PDF document text
  • http://kingnature.ru/files/files/3434959107.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c6491c39d---87997506525.pdfIn PDF document text
  • http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/56723476559.pdfIn PDF document text
  • http://sarlampa.ru/upload_picture/tavutaxejimolitaxideni.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ed9070067---fozazaborunagavekaxow.pdfIn PDF document text
  • http://ohxto.com/uploaded_files/userfiles/files/mikugamulipuwojurobun.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/8fc9315cffe6fe0003415d124d901751/nalevak.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/lokobujobituxegidinofogur.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2675e199ac---37605420824.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab700a3511e---pudofajetasamabedibew.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/xidujelozadoza.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/1460843bc99b277855ec9d2470c9c493/46614692447.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/80337966839.pdfIn PDF document text
  • https://laughteronlineuniversity.com/images/upload/files/tibeweromowafod.pdfIn PDF document text
  • http://akhsmombasa.com/clients/861898/File/50353632169.pdfIn PDF document text
  • http://dalnoboy.org/data/filestorage/upload/files/44988891902.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=jasperreports+server+rest+api+referencePDF 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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