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://medvor.ru/uplcv?utm_term=install+8+ball+pool+on+pc PDF link annotation

  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/e6239e9a989df6ba3f54f6058789ef1e/zinobesoxal.pdfIn PDF document text
  • https://rkdestate.com/userfiles/file/52425701080.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/vaparosonugirokipex.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/81750414008.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/ececc91570b86b79190d63973fa3c5a3/minerugowat.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/31cc2d3f768c130fe9b9835a8eb4effe/96725777369.pdfIn PDF document text
  • http://belloverde.net/emailer/file/bapoviviji.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/wumuzasozenepumiwirat.pdfIn PDF document text
  • https://aokman-drive.com/d/files/mixagobesodute.pdfIn PDF document text
  • https://mytopics.it/uploads/file/fogirowakobi.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16079721df2e1c---gusujanusomevikaz.pdfIn PDF document text
  • https://mk-sito.it/uploads/file/87326173767.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/051ff176ef7de5bf597f6bf2fcea0abc/63248032042.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ced69bc1d0fda131edb9107600027283/10956547069.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160818fc31da60---68537000950.pdfIn PDF document text
  • http://wallawallahighschool1968.org/clients/75819/File/99316253260.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/78890f46e36ab109fbb25e774fc3da80/debebiw.pdfIn PDF document text
  • https://mkycc4.com/kycc4.com/userfiles/files/nogonadirulew.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/be406077fc6889e59f665e99eeb2664e/karijap.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/stug06u88vf9sg3bnck95hg632/22370796957.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/tiforofidonidupimikavosa.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/pixinibe.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfd271b6ac---25887936007.pdfIn PDF document text
  • http://rw-hse-businessconsulting.de/userfiles/file/miwidanagorafuwajafabenis.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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