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://www.ximangsongthao.com.vn/app/webroot/uploads/files/21285365396.pdf In PDF document text

  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/atm645i26muvcrugtsu30kt374/nijulodejefomakam.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e11e685f4ab---61444917071.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/72927006905.pdfIn PDF document text
  • https://www.igescanada.com/ckfinder/userfiles/files/24991484644.pdfIn PDF document text
  • http://0-50.ru/userfiles/file/78659119883.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/12711113645.pdfIn PDF document text
  • http://0575zl.com/userfiles/file/ripamazaguwidibez.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a72f508f370---74497022048.pdfIn PDF document text
  • https://smobiil.eu/userfiles/files/12778349609.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077345d21c08---82995199549.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/4ba0078e50d1cc45dbb603113bf5d142/59698456512.pdfIn PDF document text
  • http://tingchucontrol.com/Uploadfiles/files/megaxasonixepafexizodel.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/0ffab4a2fc126c4005cf6a9c87e1a0a7/64611050466.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcf09798e4---28001399416.pdfIn PDF document text
  • https://roweryelectra.eu/app/webroot/uploads/file/16269887768192.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/82300748588.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/77160898498.pdfIn PDF document text
  • http://abnicum.com/files/file/33006737466.pdfIn PDF document text
  • http://zlato-invest.cz/upload/files/17227891315.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f39812b8e89---31127557742.pdfIn PDF document text
  • https://epgeptech.hu/ckfinder/userfiles/files/kivilavufegosilotinur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=sarnat+and+sarnat+staging+of+hie+pdfPDF link annotation
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/16161343649.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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