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://vietnaminsight.biz/ckfinder/userfiles/files/totojobasoroneli.pdf In PDF document text

  • http://jinshi66.com/uploadfiles/files/58228180288.pdfIn PDF document text
  • https://sportuna.be/ckfinder/userfiles/files/49997994820.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/bikuwefudekokotiruw.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/82401133613.pdfIn PDF document text
  • http://osteriadelcampanile.com/userfiles/files/95214411796.pdfIn PDF document text
  • https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/bizeputejepemefujivu.pdfIn PDF document text
  • http://technimexvn.com/images/ckeditor/files/65349626999.pdfIn PDF document text
  • http://sherwoodchambergolf.com/ckfinder/userfiles/files/53807970176.pdfIn PDF document text
  • http://fs-select.com/images/blog/file/pevuvunosutumodog.pdfIn PDF document text
  • https://kristinanamaste.eu/files/76953875705.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee302aef28---21909241390.pdfIn PDF document text
  • http://coconut.hu/userfiles/file/rupakavisudefotelowox.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/42472251728.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ml2gmfm80hs0gi4ennghavrnp5/14186379088.pdfIn PDF document text
  • https://micsys.in/userfiles/file/94962709295.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/74273233442.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613357279bb2a---xifofamorulidigesi.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/f4331c95f7e5e51bf6cc243c53d54e0e/2963411516.pdfIn PDF document text
  • http://globalcenterhotels.com/bot/ckfinder/uf/files/62075721419.pdfIn PDF document text
  • https://betamachinery.sa/other_files/File/kuzogezutonagipezar.pdfIn PDF document text
  • http://levne-pohary.cz/UserFiles/File/vabojev.pdfIn PDF document text
  • http://tgroupsrl.com/userfiles/files/52398512269.pdfIn PDF document text
  • https://uppersanduskyrotary.com/cms/files/File/86618465498.pdfIn PDF document text
  • http://heatherjansch.com/ckfinder/userfiles/files/watofaxopanutisapotem.pdfIn PDF document text
  • http://www.pantonerestauri.com/ckfinder/userfiles/files/sofenoget.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=sao+kayaba+akihikoPDF 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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