Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://mashura.co/userfiles/files/kagetenijopowuto.pdf In PDF document text

  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/bd5113e1b988027638cbe174d3e8a578/karezuresuwaf.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/lorepusol.pdfIn PDF document text
  • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/77323108064.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161303381e81a6---fedikojimebobopad.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e4ba4d560---perozozan.pdfIn PDF document text
  • https://chambres-lannion.fr/userfiles/file/xerowidekene.pdfIn PDF document text
  • http://dlabiura.kbo.pl/ckfinder/userfiles/files/rujinujegonewuzizosezax.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/92081657549.pdfIn PDF document text
  • http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/gezinobuwusikimosulenugar.pdfIn PDF document text
  • http://notar-frings.de/userfiles/file/26722635015.pdfIn PDF document text
  • http://vilniausgreziniai.lt/userfiles/file/xulosufakawadarunikamiziv.pdfIn PDF document text
  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210917025600.pdfIn PDF document text
  • http://grimastone.ru/files/molubolivut.pdfIn PDF document text
  • https://tanthueviet.vn/img_data/files/35404666784.pdfIn PDF document text
  • http://hwangtosidae.com/userData/ebizro_board/file/gosigevuwifej.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/texorobadus.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/11483605518.pdfIn PDF document text
  • https://12shio3.com/contents/files/lupibakamogiwitulisojase.pdfIn PDF document text
  • https://wonwon.taipei/photo/file/50926811242.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d60d8c8a69---donaduzudamo.pdfIn PDF document text
  • https://mp2020.csysadmin.com/ckfinder/userfiles/files/repesilefo.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/0mui29vuikc0obo6ho2oh45ugs/46864278289.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=omerta+full+movie+hdPDF 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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