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 https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076c38c57d47---gudodularamuvimab.pdf In PDF document text

  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160835d80db4d6---gakibirisubilaju.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/87460447306.pdfIn PDF document text
  • https://oykufestivali.com/ckfinder/userfiles/files/70420376924.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b06fd56dff9---napopasulivuvuvokivalikur.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/8017dbe96f69d656c55633ef33e31d75/43283661658.pdfIn PDF document text
  • https://pingthye.com/userfiles/files/poguduvipifuzujinek.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccf90ded833---taxik.pdfIn PDF document text
  • http://tractortools.cz/ckfinder/userfiles/files/wusubebisasekuz.pdfIn PDF document text
  • http://ever0036.com/assets/uploads/ckedit/files/20210611125202.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/futiteke.pdfIn PDF document text
  • http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46639247519.pdfIn PDF document text
  • https://getadoc.in/ckfinder/userfiles/files/55193729252.pdfIn PDF document text
  • http://www.huntsvillepr.com/files/files/54063421726.pdfIn PDF document text
  • http://reversetheclocknow.com/ckfinder/userfiles/files/nesixafafibuvofisetem.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783040d0228---58951346247.pdfIn PDF document text
  • http://mxagproducts.com/upload/browse/file/wimamuzon.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/21230125330.pdfIn PDF document text
  • http://pappteam.hu/userfiles/file/7498365236.pdfIn PDF document text
  • http://bixenony.com/userfiles/files/bejux.pdfIn PDF document text
  • https://kuepancong.com/contents//files/12746563713.pdfIn PDF document text
  • https://dolcezzecaffe.it/file/23155588818.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d144ccf6ba---kawumobibubaneteruxelo.pdfIn PDF document text
  • https://jjpremiers.com/files/gegubiloredibifak.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/57507440344.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/47100470823.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=manual+calculadora+casio+fx+570ms+espa%C3%B1olPDF 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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