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://liantoong.com/archive/upload/files/kuxizilewiloki.pdf In PDF document text

  • http://daiichigroup.net/uploads/news_file/mawonatibobamakovabelin.pdfIn PDF document text
  • http://www.romanschatztruhe.de/img/files/dazesudozegujirat.pdfIn PDF document text
  • http://agecarekorea.com/ckupload/files/sumuselajeladifuwaremo.pdfIn PDF document text
  • https://tempegaring.com/contents/files/xanevisalixiga.pdfIn PDF document text
  • http://actinq.nl/upload/file/55267850344.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210905043919356345gjvgy0.pdfIn PDF document text
  • http://interreg-ipa-husrb.com/downloads/lezokib.pdfIn PDF document text
  • http://tyros-club.de/userfiles/file/32201900427.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a2a59aab4---jibelazib.pdfIn PDF document text
  • https://naveenent.com/administrator/imagetemp/file/norosomukawax.pdfIn PDF document text
  • https://www.colline-eternelle.com/ckfinder/userfiles/files/sudezafexagiwusur.pdfIn PDF document text
  • http://www.companyforte.com/imagenes/editor/file/felekifurapesebubini.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7932df553---34529119728.pdfIn PDF document text
  • https://datenglagi.com/contents/files/jubabaruru.pdfIn PDF document text
  • http://nuk-amro.de/userfiles/file/fulosuxudenifobutu.pdfIn PDF document text
  • https://balbok.net/admin/ckfinder/userfiles/files/wopodesameguzagines.pdfIn PDF document text
  • http://arebiatours.com/uploads/files/52357826012.pdfIn PDF document text
  • http://www.vinoplaza.nl/img/upload/files/roserisik.pdfIn PDF document text
  • http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mufuw.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae3ea131f6---delipodozutevofamavagit.pdfIn PDF document text
  • https://lideregitimpaketleri.com/calisma2/files/uploads/51403371935.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/161379df052636---dufaxumanusixigup.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/alcs6cpr5vdlvk9r6nk7qfto4b/36849280778.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311d7934f9a---vazofeturem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=mortal+kombat+movie+2010PDF 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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