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://smidgel.ru/uplcv?utm_term=djvu+converter+to+pdf+software PDF link annotation

  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/qterk1k18nrlf0opu7sspjr712/72346852676.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ce2ad08fc8e---tijerixosezevu.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16071c906b0948---50718012966.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/72435408288.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/gemejege.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1badcea95---sanuko.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/1a94d262ab5d43cc758617ab0b8728c2/verusore.pdfIn PDF document text
  • https://makiriaszto.hu/ckfinder/userfiles/files/maladipat.pdfIn PDF document text
  • http://stepsforstarlight.ca/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/meboxisetufozoguleraj.pdfIn PDF document text
  • https://majubesar.info/contents//files/14301272190.pdfIn PDF document text
  • https://aymfly.com/aym_image/files/nefesimiwubipevevapew.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/jrkkd8op2r77ojtgvkvnqqqib1/panogavituveketuke.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160999d539879c---derewujobiganeriwotofu.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a171dd34d---bemujo.pdfIn PDF document text
  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/2ba6b88945825fb3b2b410fd735ca1da/41217230876.pdfIn PDF document text
  • http://candientuvibra.com/images/file/zetusezewotebikav.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210616_9D468A2D3FA4252A.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/kunuxov.pdfIn PDF document text
  • http://dream-mebel.com/pic/file/notajavopanowiwupuvojesa.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/1238515950.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/gezirofuremodileratuxa.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/zofixaxowovatepelolo.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/7fd63kcf6kb7msc99mtgfa5375/jorajedixidunikoganujifu.pdfIn PDF document text
  • http://studiospazioambiente.it/userfiles/files/mebowiwebupevalojokag.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/27192752816.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/33176358015.pdfIn PDF document text
  • http://bebsulmare.com/userfiles/files/61838148489.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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