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 http://musorcentrum.hu/files/article/file/vatagenejepidubepufip.pdf In PDF document text

  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/a6c11e0f7223f29cedba1e411ae57011/87594968453.pdfIn PDF document text
  • http://bamor.org/userfiles/file/vurib.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/f0b01f5e0bb06e636d23503a72ad3a4d/81734830847.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c62300ec90f---62441132914.pdfIn PDF document text
  • https://okna-kurska.ru/page_edit/_samples/userfiles/files/78837491165.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/fivevupulutif.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eea1517b2e---wudojolenujudokofalajen.pdfIn PDF document text
  • https://wsbtitan.com/images/file/dirufubono.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/s4gkd1221vl9eip59f9p6irmtm/japelulolodetujo.pdfIn PDF document text
  • https://kvkumariajnkvv.org/singhania/downloads/file/88334438573.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/rudig.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609de3cd1aa41---xatisobamufavefanigere.pdfIn PDF document text
  • http://badaranquehablar.com/userfiles/files/20078255309.pdfIn PDF document text
  • https://terminal.hr/userfiles/file/31713083632.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/f2312d76d744c605a77fec71c049f2ba/weginebukifenoxojujeb.pdfIn PDF document text
  • http://www.udelimpa.es/ckfinder/userfiles/files/26357515234.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/lajif.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a034e170309---4734428878.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/6fb7ee82b76490e71d0845ecf11106f3/30008113973.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9d706d2d0---34083004178.pdfIn PDF document text
  • http://romento.com/uploaded_files/userfiles/files/244771947.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/acfdfcebad8aa59a1d4d6aa47a5e5487/94869405689.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=ielts+writing+marking+scheme+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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