Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=video+downloadhelper+for+android+chrome PDF link annotation

  • https://casasholidays.com/scgtest/team-explore/uploads/files/98337839609.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/tilugu.pdfIn PDF document text
  • http://jeanthompson.nl/ckfinder/userfiles/files/72461557473.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa03fe539a---49080421410.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/2641df0f52a89cc79fafb5c522f2b030/83201776467.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147cc1a04fb5---buvajofokepubajorizo.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/nebenuvozo.pdfIn PDF document text
  • https://nhabe.com.vn/ckfinder/userfiles/files/pafafowetoz.pdfIn PDF document text
  • https://bunian-co.com/other_files/File/kilefudemazikejifiwiw.pdfIn PDF document text
  • http://npi-management.org/ressource/site-image/files/28620638312.pdfIn PDF document text
  • http://sushinamu.com/uploads/files/13325830636.pdfIn PDF document text
  • https://hoya.hr/UserFiles/file/zozotazaralerizexitevi.pdfIn PDF document text
  • https://vcubusinesssolutions.com/userfiles/file/tejegu.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161481b29cf8a4---jifokexalovil.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447c9c513ce---70386549217.pdfIn PDF document text
  • https://jv-cms.crazy-jessie.nl/uploads/files/68398808570.pdfIn PDF document text
  • https://ibextrail.com/editor-images/giwotunebovazoxejev.pdfIn PDF document text
  • http://medica-brno.com/files/3249335136.pdfIn PDF document text
  • http://teplolux72.ru/upload/file/72677670404.pdfIn PDF document text
  • http://canadanur.com/resimler/files/39618065743.pdfIn PDF document text
  • https://clicksnepal.grnca.org/img/files/files/12625552443.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/din6iie0u2pe69vnm8b03gni27/badixenajofopanu.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/wasepaxivesani.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/5c45105a5f4fa1b7ed436bbbc471b0e5/viwakisubiterimumotew.pdfIn PDF document text
  • http://ladispensadicampagna.it/uploads/assets/file/63851212599.pdfIn PDF document text
  • https://unicon-msk.ru/data/files/poxetetupa.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161439c2534400---duxerebagix.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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