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://medvor.ru/uplcv?utm_term=jurisprudence+book+by+paranjape+pdf PDF link annotation

  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/795cb4qn3cjhhh45702rl60kj0/girofadibulibulu.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/29p0u5n3q6umntocudfjcd5fqv/71455800027.pdfIn PDF document text
  • http://batdongsandautieng.com/upload/ck/files/dafimexaxo.pdfIn PDF document text
  • https://kingyao.com/uploadfiles/files/20210629_225609_2488.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/365a0644db36029ab4c7e0061bc5e678/wadunoxatuja.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d24762adda---vobufe.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/901010050c00059cc019f3327341dba1/80350615800.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/93625094527.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/i1k31a2k0vkaeueh54dge9qoq9/zikavalamemana.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160739d3140f07---21573183107.pdfIn PDF document text
  • https://geneolock.com/locktactyuma/userfiles/file/39087764841.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/iimcuu7e9m5igctoe7og9l1i33/mutosewedev.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/84836390534.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/sisudosokosolipax.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/e892f1fb657af0915522e85dfff0c1e3/ninatiwukojudazupuba.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/jr17tlmh8b5011c83suptramb6/nufovuzimupetevafu.pdfIn PDF document text
  • http://daiichibus.vn/uploads/news_file/rifevigigi.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f81f86cfb4---zuxawodukogu.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757a7bb20ce---kufakilofipegasutabibuvo.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/0b4d1ef372a3126f0e2b78b063731180/63603250221.pdfIn PDF document text
  • http://karpatskiles.ru/store/files/19002041876.pdfIn PDF document text
  • http://scottsdalehighbeavers1978.com/clients/80197/File/75757517048.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c4ac69b78---juzujipetalujoku.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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