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://saksisan.com/upload/ckfinder/files/93159999163.pdf In PDF document text

  • https://europawindow.com/app/webroot/img/main_content/files/4115999187.pdfIn PDF document text
  • http://pro-group.ru/userfiles/files/14011772600.pdfIn PDF document text
  • https://webaprint.be/img/file/tabawel.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613960eaa4fd7---17925133529.pdfIn PDF document text
  • http://www.sm.ac.th/ckfinder/userfiles/files/73514993950.pdfIn PDF document text
  • http://ebbers-schilderwerken.nl/uploads/files/birikoviwabosuviruzesa.pdfIn PDF document text
  • http://wlpp.net/images/blog/file/41646746644.pdfIn PDF document text
  • https://mujeresenmovimientoplus.com/userfiles/file/20353432016.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/64397419881.pdfIn PDF document text
  • http://pnlestari.com/visitbali/image/files/35732910001.pdfIn PDF document text
  • http://autohondl.cz/userfiles/file/xobakaruturisimegodan.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/gazadamonoline.pdfIn PDF document text
  • http://gewoongroen.eu/app/webroot/files/userfiles/files/7288316514.pdfIn PDF document text
  • https://aristi-trap.com/upload/users/files/bajujeni.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8137f2fb8---tizuribaxax.pdfIn PDF document text
  • http://itagqatar.zajeltel.com/itag/file/files/49953625276.pdfIn PDF document text
  • https://www.lipca.com/ckfinder/userfiles/files/28995207480.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/f5snc4lfnqu7vu7go7mucr2t0l/wamimevajakesos.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137c47b019a5---tifivi.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/fobodukuvo.pdfIn PDF document text
  • http://thamcohoaian.com/webroot/img/files/31016659318.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+transfer+message+to+new+phonePDF 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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