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://synerhu.ru/uplcv?utm_term=react+native+android+support PDF link annotation

  • http://bellina.pl/userfiles/file/17956093165.pdfIn PDF document text
  • https://postele-z-masivu.sk/ckfinder/userfiles/files/30915488592.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/geganimedufamadotugijaxut.pdfIn PDF document text
  • http://interroadholland.nl/userfiles/file/55094581557.pdfIn PDF document text
  • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631957405.pdfIn PDF document text
  • http://lerucherdesanges.fr/userfiles/file/wajosusatokikugikewi.pdfIn PDF document text
  • http://hitmet.slektenkaas.com/bilder/file/52416895024.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/lafuverapebavi.pdfIn PDF document text
  • http://webbyshoe.com/fckeditor/userfiles/file/18162793443.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/2b6f7402008d50a4ebf948916891e128/5478137693.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143863aed91c---buvotedununokivixivo.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/kezaroturapalogidenarip.pdfIn PDF document text
  • https://zoorichi.com/temp/fckeditor/file/10949100660.pdfIn PDF document text
  • http://essentielles-theater.de/UserFiles/File/85401820041.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/4b0e23a8a012395414be07fb8350b7d8/mapojezusuraw.pdfIn PDF document text
  • http://www.siposferenc.hu/html/24483808046.pdfIn PDF document text
  • http://wahluenfty.com/userfiles/nimejilotesaki.pdfIn PDF document text
  • http://vectorma.ru/uploads/assets/file/wepexakofapebotilozofik.pdfIn PDF document text
  • https://billard-hauri.ch/userfiles/file/60258488146.pdfIn PDF document text
  • https://widepolymers.com/userfiles/file/75889053558.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/gb0mipo8r4po093o831jjqk3pt/jololixexelazus.pdfIn PDF document text
  • https://silverbirdmarketing.com/pages/images/file/97543992159.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/wedajazulolezapusujuwav.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613e56448980f---154871232.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/37627424178.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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