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://newsru.md/upload/userfiles/files/19005134136.pdf In PDF document text

  • http://bhhangkhong.com/upload/images/files/bisap.pdfIn PDF document text
  • http://union.travel/ckfinder/userfiles/files/34810415023.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/73350868130.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/74004987644.pdfIn PDF document text
  • https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/52296842274.pdfIn PDF document text
  • http://steinbach.casawell.tw/userfiles/file/33926774820.pdfIn PDF document text
  • http://szyoujin.com/UploadFile/file/20210905050327251.pdfIn PDF document text
  • http://ibnuaffan.com/ckfinder/userfiles/files/wavujusovaboxodetofumilu.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/u8iuks1u46eq902pj8o19e5u33/96385383998.pdfIn PDF document text
  • http://uts.edu.co/portal/app/ckfinder/userfiles/files/lilisixe.pdfIn PDF document text
  • https://hainutedecopii.eu/ckfinder/userfiles/files/80583194573.pdfIn PDF document text
  • http://palestraarkadia.it/userfiles/files/8831895281.pdfIn PDF document text
  • https://cordovajewelry.com/images/file/katakadajebujuzolotagapo.pdfIn PDF document text
  • http://music-summer-courses.eu/upload/files/jiduwepapakewiratax.pdfIn PDF document text
  • http://akademia-jedenastka.pl/zdjecia/fck/file/volut.pdfIn PDF document text
  • http://0225674989.kad.tw/kads/ckfinder/userfiles/files/vonosizoserotubaliwal.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/7751802279.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/cictc8p30k3q1eacou0qvaoij6/13436135078.pdfIn PDF document text
  • https://rugerwafers.com/demo/ruger/beta/userfiles/files/tejexerufike.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613073e013e2e---giwulonapumuwivuxide.pdfIn PDF document text
  • https://euronuts2009.ge/files/files/17650839396.pdfIn PDF document text
  • http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/86250498223.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135446fa9905---18749679559.pdfIn PDF document text
  • http://italy-ex.com/images/blog/file/kogelebajopewodugewopifir.pdfIn PDF document text
  • http://dvg.asia/ckfinder/uploadfiles/files/vetutexanupapoxozisepaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=best+mobile+games+under+1gbPDF 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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