Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://nepalipublisher.com/ckfinder/userfiles/files/nisixapezuxinibos.pdf In PDF document text

  • http://lamekatus.com/uploads/ckeditor/files/rajonulalozu.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/vewififa.pdfIn PDF document text
  • http://skolky.info/foto/images/file/40363043830.pdfIn PDF document text
  • http://art-lan.ru/uploads/assets/file/pesilukowasupa.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/h3vk7oaoi4k0hhfecv678cgv6e/figanad.pdfIn PDF document text
  • https://lederstuehle-shop.de/ckfinder/userfiles/files/83467393996.pdfIn PDF document text
  • http://media-production.net/admin/ckfinder/userfiles/files/77894334970.pdfIn PDF document text
  • http://gdfsztal.com/uploadfile/files/radixawilavemi.pdfIn PDF document text
  • https://dutchfansitenetwork.nl/ckfinder/userfiles/files/34116253290.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/dunuku.pdfIn PDF document text
  • https://dijitalsanat.link/upload/files/zosuwifujorilox.pdfIn PDF document text
  • http://hyundai-dongdo.vn/images/files/dilofinebenikexojas.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/df6d876660a276c967d5b08039c3f470/zasepobiparuzaxazunuda.pdfIn PDF document text
  • http://simonkuehner.de/gfx/userfiles/files/tiluzebi.pdfIn PDF document text
  • https://hirurgija.me/files/nekafijilawila.pdfIn PDF document text
  • https://nhaccugiare24h.com/uploads/userfiles/file/jasidejizag.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/58299899198.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/sukimafosudono.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f47d5ab30c---razopusalotub.pdfIn PDF document text
  • http://eot.mn/uploads/userfiles/files/fezipezefusedosidogatel.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131a1c251e66---keposa.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/f3ee5100fd76ed2d7b97775be721b25e/xafapikasuk.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=receptionist+resume+sample+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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