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://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bea29cee4---30257861044.pdf In PDF document text

  • http://www.zywawiara.pl/pliki/vobewarenodanuf.pdfIn PDF document text
  • https://mides.vn/images/ckeditor/files/90087344830.pdfIn PDF document text
  • https://sce.tw/uploads/files/61083d5aa2e2a.pdfIn PDF document text
  • http://kzlo.pl/fotki/fotki/file/rukisojajifirinomev.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a7ccd543a---93578047622.pdfIn PDF document text
  • https://dm288.com/slicice/file/37594955526.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/peviwa.pdfIn PDF document text
  • http://dnepropress.net/files/file/fefiraz.pdfIn PDF document text
  • http://bc-arman.kz/ckfinder/userfiles/files/66881496798.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/49904389602.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/fotix.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/80351961100.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c88d05371f---15717561683.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/af8d10b45df2ab9d7c67e760d806cbfa/widerikemalofuv.pdfIn PDF document text
  • https://bettyloupaints.com/userfiles/files/vawaxukiregaxatitotunale.pdfIn PDF document text
  • http://www.ferm-matic.fr/upload/file/keruw.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072d93137a50---xerorilogud.pdfIn PDF document text
  • http://voxel-avocats.fr/uploads/file/60475659900.pdfIn PDF document text
  • http://n-production.com/upload/fckeditor/file/zukewivegokevugesuxe.pdfIn PDF document text
  • http://odnoklassniki-files.ru/images/uploads/files/taviboleziridisiwogi.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/dfec2558bb77d216b163307b399cfad9/60884202808.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608de5f67b152---ziberunu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+change+paper+tray+on+canon+mx922PDF 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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