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://xn--80aap0abfiql8h.xn--p1ai/admin/ckfinder/userfiles/files/85046337338.pdf In PDF document text

  • https://sportnazona.bg/f/uploads/files/49104578365.pdfIn PDF document text
  • http://lsmtrontractor.com/upfiles/file/20210904012139.pdfIn PDF document text
  • http://chukysovin.com/img-svc/files/69861962114.pdfIn PDF document text
  • http://bzws.zhanyougame.com/ckfinder/userfiles/files/25637142092.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161385e8e316e8---42846824140.pdfIn PDF document text
  • https://booking-news.hkdnracing.com/webroot/editor-uploads/files/62469278327.pdfIn PDF document text
  • http://pecsimutargygaleria.hu/files/file/68256616077.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a3804aa27---70526512946.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/xupod.pdfIn PDF document text
  • https://ahl2005.com/ckfinder/userfiles/files/marekunumeserekirixowik.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/4692937611daa7939bfde36ca24c6323/wakupomepipatomok.pdfIn PDF document text
  • http://mikailang.com/userfiles/file/20210903070445_245463491.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/resibuvok.pdfIn PDF document text
  • https://justforjetscatering.com/userfiles/image/files/62359284470.pdfIn PDF document text
  • http://www.tsahimmongol.com/uploads/images/files/90403311680.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/92673094196.pdfIn PDF document text
  • http://pho32shabu.com/uploads/files/59813163530.pdfIn PDF document text
  • https://vadihosting.com/calisma2/files/uploads/34031248739.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/f9ceb58d2ae07fc33566a0d99079b44b/12321255542.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/34097282658.pdfIn PDF document text
  • https://cincia.ro/ckfinder/userfiles/files/31489307287.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=thing+that+start+with+kPDF link annotation
  • https://tes-sys.com/uploads/ckfinder/files/20210904/16307273705824.pdfIn PDF document text
  • 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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