Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://spotiverify.com/ci/userfiles/files/12266170593.pdf In PDF document text

  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/43466685281.pdfIn PDF document text
  • https://krossi.ru/images/content/files/4527259163.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021090404132856.pdfIn PDF document text
  • https://danielstrehlau.com/userfiles/file/kapawirexazusevivumuge.pdfIn PDF document text
  • http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210913_065647.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/257f1e24c5da24f52a066be6578d5fb3/luzomiditadidovedegowaw.pdfIn PDF document text
  • http://snbedu.com/uploadfile/file///2021090521512499.pdfIn PDF document text
  • http://tunapvietnam.thietbiotoviet.com/Images_upload/files/safumulibubavotiroju.pdfIn PDF document text
  • https://holycrosshealthcare.com/userfiles/files/28448695735.pdfIn PDF document text
  • https://directorvincentchow.com/fck_filemanager_upload/file/wazivewuxumivunubusorazez.pdfIn PDF document text
  • http://cancunday.com/travela/img/files/11158712992.pdfIn PDF document text
  • https://inks.bg/userfiles/file/buxipenivopikazakegawuli.pdfIn PDF document text
  • http://ps-chiptuning.hu/userfiles/files/noxukitukuk.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/64137905418.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613214dbef9af---65472073593.pdfIn PDF document text
  • http://sushiosushi.com/uploads/files/25393616899.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/duleperuvug.pdfIn PDF document text
  • http://mvsexpo.ru/admin/ckfinder/userfiles/files/65808158615.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa70c28824---54552543983.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/45349925976.pdfIn PDF document text
  • http://elandtour.com/FileData/ckfinder/files/20210908_3D456E008C588E60.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/goxegobepexo.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/36786407735.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=coin+master+hack+without+verificationPDF link annotation
  • http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/fumegowena.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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