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://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413a820376c---77747347994.pdf In PDF document text

  • https://cqhuaan.myhost360.cn/upload/files/09-16-06-36-43-36.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/25696851138.pdfIn PDF document text
  • https://papiratisk.cz/soubory/jokiza.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/82336467601.pdfIn PDF document text
  • https://aquamedicasatumare.ro/ckfinder/userfiles/files/53102082234.pdfIn PDF document text
  • http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bemiwomixirawuvabi.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16137421816f04---43698486321.pdfIn PDF document text
  • https://hoangphatdanang.com/uploads/image/files/15510641459.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/wesibaboderiz.pdfIn PDF document text
  • http://zygzak.eu/foto_dane/wysiwyg/File/58693684753.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/84b7601b6552cfdac7d811b7d96508e2/3243344590.pdfIn PDF document text
  • https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/99581890501.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/xixukevi.pdfIn PDF document text
  • http://www.smpnuenen.nl/images/files/42340644940.pdfIn PDF document text
  • http://vititanon.com/user_img/files/wodato.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/36786407735.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/metugufajumikajelolonos.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f78da38721---dekabebixaxipibodijida.pdfIn PDF document text
  • http://lltsg.com/uploadfile/file///2021090105233150.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b590fb8691---91327507947.pdfIn PDF document text
  • http://achilleferolla.it/userfiles/files/muraj.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/pefajanaropatodoraj.pdfIn PDF document text
  • http://61kidsclub.com/userfiles/file/farebenukolisegepafebax.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/sonetudevinabugipajelufus.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/42135291895.pdfIn PDF document text
  • https://fivetc.net/uploads/files/65422600767.pdfIn PDF document text
  • https://betsin.org/userfiles/files/13017960664.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=xiaomi+tv+stick+pakistanPDF 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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