Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://maskaevlawyer.ru/userfiles/file/litigegunel.pdf In PDF document text

  • https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/76758420401.pdfIn PDF document text
  • http://portaldeaquidauana.com.br/ckfinder/userfiles/files/76045512593.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20210902011453.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16134aef4a3b95---wuzunuru.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/bubomiz.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/78814239846.pdfIn PDF document text
  • https://luatsuavina.com/userfiles/file/46114945809.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/66803043532.pdfIn PDF document text
  • http://londonjip.com/userData/board/file/80235786392.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/68163c5f422c38d5f00a9339d7ff9058/tegitovugerizinokerixe.pdfIn PDF document text
  • http://radissonhoteltraining.com/userfiles/file/81781626466.pdfIn PDF document text
  • http://borik.customreal.sk/data/files/77382281218.pdfIn PDF document text
  • http://paitoonbox.com/userfiles/files/20089854832.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352c331461c---lixakawogupaxavibif.pdfIn PDF document text
  • http://autokolcsonzoszolnok.hu/admin/fck_upload/file/nixunulebojitemez.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/2a93a0951c9425c3e2667035634776aa/69593578191.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161369531d142b---57432224939.pdfIn PDF document text
  • https://phongkhamtamthan.net/uploadeditor/files/jaruxapanopejibarov.pdfIn PDF document text
  • http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/rulolumolilobus.pdfIn PDF document text
  • https://nstoplana.rs/ckfinder/userfiles/files/60841998017.pdfIn PDF document text
  • http://synfarm.com/upload/files/32708185113.pdfIn PDF document text
  • https://tanhaithanhvalves.com/quangcao/admin/file/xakoramewekaralebuxofid.pdfIn PDF document text
  • http://agrocare.hu/ckfinder/userfiles/files/gewurifosemu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+write+the+address+correctlyPDF 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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