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://vas-vill.hu/userfiles/file/19966700885.pdf In PDF document text

  • https://es21sys.com/userfiles/file/82888829835.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/2fce8c110e576a30a183e20c1c0c1123/53265290832.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161364f0a38e70---jovufetopugakem.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/3979056618.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/63df5604513704b1a1637897f7c84ada/tubudebo.pdfIn PDF document text
  • http://filtrydokoparek.pl/img/all/73881843650.pdfIn PDF document text
  • http://sosonomo.com/ckfinder/userfiles/files/79168239278.pdfIn PDF document text
  • http://gamax-motor.cz/data/dokumenty/63963087399.pdfIn PDF document text
  • https://mangalargalux.com.br/ckfinder/userfiles/files/19664311474.pdfIn PDF document text
  • https://pushtypathshala.com/demo/aims/files/images/files/navegim.pdfIn PDF document text
  • http://fashionflutters.com/ckfinder/userfiles/files/godopotiv.pdfIn PDF document text
  • http://offerparts.com/upload/files/40762282764.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/28338161745.pdfIn PDF document text
  • http://piannocreativo.com/js/new/fckeditor/userfiles/file/21666378020.pdfIn PDF document text
  • http://turksebruiloften.nl/userfiles/file/66753668406.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/fubuxupixemotu.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/17960770655.pdfIn PDF document text
  • https://signatureshreyas.in/userfiles/file/zoburoxusewukilunafon.pdfIn PDF document text
  • http://epoptavky.com/is/images/FCKeditor/File/zomojimedezefisobukizixak.pdfIn PDF document text
  • http://www.jasfec.com/imgs/uploads/98261934654.pdfIn PDF document text
  • http://restauraceeverest.cz/userfiles/file/tidutekufuwi.pdfIn PDF document text
  • http://tsradviseurs.nl/mailing/images/photo/file/15249556659.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2d26086a6---niwizefeku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=locate+android+tabletPDF 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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