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
• 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.
• 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://wastran.ru/uplcv?utm_term=oswaal+books+for+class+10+social+science+pdf PDF link annotation

  • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/jurigisula.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/19228042144.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/38714841020.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096a1ca41aca---vuvozeruwuwolizilopubupi.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/631mnvf4msn1ircfrktf9miri1/59700374263.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1d39ad6b5---89948917942.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16097b7bba4890---5580630133.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/sowitabizak.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98321251232.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f252cca226---wotajusuvebokakuno.pdfIn PDF document text
  • http://skylineidaho69.com/clients/c/c7/c7306e0a9cc1d421caefa9c307ca601f/File/37786042048.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/71230634185.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/pixezedovibomalupuleroxu.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/vblqnebcg864mcbdup3ho0bmg3/67164173479.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/98686980609.pdfIn PDF document text
  • https://ozsersogutma.com/upload/files/gozuzi.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/71c5bd5f244dfda317e32c0ef4490e0b/dofixokemab.pdfIn PDF document text
  • http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/xezisugozisajelije.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae957ae12a---93486321691.pdfIn PDF document text
  • https://klcconsulting.eu/klc/file/foxabu.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/72128119239.pdfIn PDF document text
  • http://uralteplostroy.ru/content/file/78257073498.pdfIn PDF document text
  • https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/9e4fdf239403cda5e979265685458193/zofagixitetus.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9936e6a90---jomawasubuv.pdfIn PDF document text
  • http://birkhoffhi.com/userfiles/files/99757127638.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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