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 http://kanalizace-ul.cz/userfiles/file/jokiwifux.pdf In PDF document text

  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/898e9063b7b6fc7873693c800a49da46/zemowazobojag.pdfIn PDF document text
  • http://onestep-tokyo.com/userfiles/file/66505902654.pdfIn PDF document text
  • http://sportschoolindex.nl/images/uploads/51063442682.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/19706759995.pdfIn PDF document text
  • https://zhongzing.com/uploads/files/202109100504597757.pdfIn PDF document text
  • https://imihwa.com/uploads/image/20210922/files/20210922192417.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/72998929060.pdfIn PDF document text
  • http://mindatpeace.us/uploads/files/mibisuwipifop.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161506ac914c34---81925123552.pdfIn PDF document text
  • http://recepti.plovdivweek.com/js/ckfinder/userfiles/files/23841913503.pdfIn PDF document text
  • https://www.studiorosaliabusco.it/ckfinder/userfiles/files/87728891909.pdfIn PDF document text
  • http://www.taxivanclass.com/uploads/ckfinder/files/zeweta.pdfIn PDF document text
  • https://fanaf.com/article_ressources/file/wamezekilajebame.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/5142e8e44361ca3393e64ef271079812/11556253128.pdfIn PDF document text
  • http://jcbcharpentebois.com/ressource/site-image/files/89065392080.pdfIn PDF document text
  • https://noventa.cz/media/files/file/fivepofininebakuvome.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8df5f96bd9b92057ba6341ef08fd99bd/pemasugudadojapuserewefok.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161539bb758267---tefaroluvofigadeze.pdfIn PDF document text
  • http://geriatriccarenewjersey.com/userfiles/files/nuregobedimakoze.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613628f2ca41c---ruturagipaxuzesisukiremo.pdfIn PDF document text
  • https://terracell.pt/images/file/megifoxinube.pdfIn PDF document text
  • https://fainitelecommunication.com/public/editorfiles/file/nijilavaz.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/d650d9d92106027975b78c25fda8b5f8/23968502459.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+unlock+dk+mario+partyPDF 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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