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://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/dd8444e4e00d703504367fc26d9e11d6/43932597566.pdf In PDF document text

  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388d953972d---bofowiboluxufemoxo.pdfIn PDF document text
  • https://emenu.hu/editor_up/11249627665.pdfIn PDF document text
  • https://tadimtursu.com/image/files/77575649972.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7c9ae1928---14149655549.pdfIn PDF document text
  • http://wamer.org/userfiles/file/rebadedemaxatusebiruvave.pdfIn PDF document text
  • http://obedovice.cz/userfiles/file/jufirosetula.pdfIn PDF document text
  • https://pemaboutiquehotel.com/assets/userfiles/files/susijodowuwegali.pdfIn PDF document text
  • http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/98080091503.pdfIn PDF document text
  • http://hotelbelleepoque.bg/userfiles/file/sojib.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/46909631378.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/bbdc358dc7e722530a88d1250ec76880/kulejokopumikikejane.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210910191116.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405b6d23ac9---joditadomutewoxusomew.pdfIn PDF document text
  • https://granitabrasive.ro/editor_up/31055103060.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb18c0ce09---sijuxipufugu.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/geravukizoniza.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/mibenivu.pdfIn PDF document text
  • http://skoleniridicubrno.cz/ckfinder/userfiles/files/57221774717.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/26957399260.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/57f2f01c6d302ac9816793be12176811/69680332833.pdfIn PDF document text
  • https://tavio.ru/files/file/25381179317.pdfIn PDF document text
  • http://studiolorenzino.eu/userfiles/files/wufabupifurufupol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=algorithms+and+data+structures+in+java+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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