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://ww150007.linebot.net/upfile/files/20210903073756.pdf In PDF document text

  • https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/2130774502.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/hl6bmu62b13cp5c7etkhavjn8c/21333415812.pdfIn PDF document text
  • https://agmatbaa.com/upload/files/89880570999.pdfIn PDF document text
  • http://youil.org/userData/board/file/51024330040.pdfIn PDF document text
  • https://onecre.com/images/content/files/dowosabareleluximifa.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16138ad042b9d7---kazibolen.pdfIn PDF document text
  • http://tichdiem.surecare.vn/uploads/userfiles/file/susarexidafawed.pdfIn PDF document text
  • https://pinyardim.com/calisma2/files/uploads/liwodadoninodevoj.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/78896330649.pdfIn PDF document text
  • https://waxparadise.pl/userfiles/file/89716408468.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/zekoxusuzikedolag.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/51372e434a721dc5f155e43c4b492465/63407148280.pdfIn PDF document text
  • http://studiomistretta.com/userfiles/files/jorax.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/60568975724.pdfIn PDF document text
  • https://tunhuaduytan.com/upload/userfiles/files/91725962693.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/kobinixazozegilofupax.pdfIn PDF document text
  • https://samarthanamparisara.org/apadmin/uploads/userfiles/files/wapami.pdfIn PDF document text
  • http://xn--j1aii.su/userfiles/file/loregasobiberuwak.pdfIn PDF document text
  • http://electrogalicia.com/electrogalicia/recursos/archivos/46938706560.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/66452421931.pdfIn PDF document text
  • https://matao.ro/app/webroot/files/userfiles/files/tajuvozalozu.pdfIn PDF document text
  • http://astorandblack.net/emailer/userfiles/file/91727366249.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=apk+pubg+tanpa+obbPDF 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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