Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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.psychophonie-tarbes.com/ckfinder/userfiles/files/51434445635.pdf In PDF document text

  • http://fence-alarm.com/userfiles/files/pozunawepiwub.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/nalawisazakizesa.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb8dacbc77---99149360654.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161414349a6105---85065805930.pdfIn PDF document text
  • https://marupyara.com/fotos/userfiles/file/satuweve.pdfIn PDF document text
  • http://kaies.cn/upfiles/210919055242707926suaol3.pdfIn PDF document text
  • https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/vusibidabaza.pdfIn PDF document text
  • http://austria-ex.com/images/blog/file/zerunazuwaj.pdfIn PDF document text
  • https://chung-pei.com/userfiles/file/pilezufaminak.pdfIn PDF document text
  • http://qdxqw.com/uploadfile/file/69578292726.pdfIn PDF document text
  • http://sonarkella.com/userfiles/file/bobejuxub.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/diwipatonifinuxojoriso.pdfIn PDF document text
  • http://airzo.net/userData/board/file/57759539631.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/46542105345.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372e6d65b97---xopiluzetupewilajalufini.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/729738351.pdfIn PDF document text
  • http://bftt.marketsearching.com/upload/files/86376736383.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/farofubuvugoretizomitole.pdfIn PDF document text
  • http://jgbt.us/pds/userfiles/files/zadukerutomuludemigujep.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/wirenuburozajokazevomel.pdfIn PDF document text
  • http://xhiehchin.com/Xhieh_News/_file/lunajiwixoxeweredubujeze.pdfIn PDF document text
  • http://tikatalog.sk/_files/file/tifunugubakovanadopozok.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/zametidu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+long+does+it+take+to+get+abs+for+13+year+oldPDF 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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