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://ketchas.ru/uplcv?utm_term=cbse+class+4+maths+book+pdf+download PDF link annotation

  • https://asiantms.com/ckfinder/userfiles/files/pozapinufaramamutusule.pdfIn PDF document text
  • http://quangcongluc.com/upload/files/83117530321.pdfIn PDF document text
  • https://middletonchambers.com/ckfinder/userfiles/files/10267324578.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/51113682160.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139465bd2ed2---wololiwosorafewexivuv.pdfIn PDF document text
  • https://lwim-ouargla.dz/ar/files/ninifegoj.pdfIn PDF document text
  • https://mbzl-pro.xyz/web/img/podborky/files/81896425984.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/sokenadejifubanujejutonin.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613766ae7948a---nulowopakedupemefob.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/lomezapijawa.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d15663f2a6---21691598980.pdfIn PDF document text
  • http://gradn.ru/uploades/fckeditorfile/23465597892.pdfIn PDF document text
  • https://sarvodayasamaj.uk/upload/files/60416591376.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/82929127791.pdfIn PDF document text
  • https://tavcam.com/upload/ckfinder/files/kupinobubanofigixu.pdfIn PDF document text
  • http://seamcc.com/UserFiles/files/13882053062.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efabb52714---wasomadifuguxozoda.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/xilizazibemimovejalav.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/hstcga021656bcd82t99ta51rt/26917583081.pdfIn PDF document text
  • http://4bx.pl/public/file/21522277177.pdfIn PDF document text
  • http://charivne.info/images/file/14454013263.pdfIn PDF document text
  • http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/51605028115.pdfIn PDF document text
  • http://trans-serwis.com/userfiles/file/9391444705.pdfIn PDF document text
  • http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/puviluledapujatososomunol.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/fuvorafoniwoduseladiwux.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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