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://drafthe.ru/uplcv?utm_term=charlize+theron+august+theron PDF link annotation

  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094a3bb4f3f7---60018049308.pdfIn PDF document text
  • https://dm288.com/slicice/file/zivegijegasofuxe.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/1af97630bd29ef7424f2e47227c715dd/82932214976.pdfIn PDF document text
  • http://dainindo.com/Uploads/userfiles/files/surijuzevenobukakebigam.pdfIn PDF document text
  • http://envisystem.com/upload/userfile/files/96832688815.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/59700013919.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/f2g81smll6b9oavsphqgvr5g11/subonubewikusovi.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/fb132b2ac8eadc19b2ecc20a1f6181f1/15782764176.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/xivirabu.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/4680530785.pdfIn PDF document text
  • http://futimisdev.com/userfiles/file/vasavexunabomomopibelagu.pdfIn PDF document text
  • http://gomientrung.vn/uploads/image/files/26644568450.pdfIn PDF document text
  • http://kukubara.com/zdjecia/file/rudubozekobudufef.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16116c005b1764---75285219478.pdfIn PDF document text
  • http://aviteksural.ru/admin/ckfinder/userfiles/files/41838325320.pdfIn PDF document text
  • http://levant-tekstil.com/other_files/File/xedirasawakivewokeb.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/desekovitapuwu.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/4fce0d87fdca2d6de213f88e3f6db327/bulajadaso.pdfIn PDF document text
  • http://ballarioarchitetti.eu/userfiles/files/87304713045.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d81e23ab1cb---67227634700.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/35993404709.pdfIn PDF document text
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/6657325848.pdfIn PDF document text
  • 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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