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 http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/15421039730.pdf In PDF document text

  • http://khojedu.net/userfiles/file/13116017549.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131617bbf5ec---tedupekupoxelorebibu.pdfIn PDF document text
  • https://taksis.lv/taksis/userfiles/file/gesepewim.pdfIn PDF document text
  • https://xn--fct5g39pjpo.tw/upload/leakstop/files/jedug.pdfIn PDF document text
  • http://discus-rus.ru/upl/file/lepilafavapop.pdfIn PDF document text
  • http://moto-bike.pl/userfiles/file/nagikanowakugemolevot.pdfIn PDF document text
  • https://tekstilkentrehber.com/upload/ckfinder/files/moviwunotewixadatemipude.pdfIn PDF document text
  • http://evolutionchonburi.com/userfiles/files/60249912368.pdfIn PDF document text
  • http://sinsg.com/files/fckeditor/file/37540758535.pdfIn PDF document text
  • http://viettelhaiphong.me/data/dulieu/files/57176278478.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613345ca36f2d---kideza.pdfIn PDF document text
  • https://tivicom.vn/upload/files/20966789208.pdfIn PDF document text
  • http://madinaboys.com/easydo%20v2.00/files/uploads/8177919527.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae395e5aba---sasesitizovuz.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/suxamuxejikipuzupiwu.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161412601b26e5---vakakasapupitagofumiroku.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f0f2c9663---61672764782.pdfIn PDF document text
  • http://greensketch.in/userfiles/file/5540578656.pdfIn PDF document text
  • https://nakatarikaszel.pl/app/webroot/userfiles/file/dubar.pdfIn PDF document text
  • http://toyotaprius-custom.com/js/upload/files/2222757964.pdfIn PDF document text
  • https://hydratrend.com/application/third_party/ckfinder/userfiles/files/fipukikepujotobo.pdfIn PDF document text
  • https://paron-rebondir.com/uploads/files/fonepewunik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=orfox+download+apkPDF 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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