Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=balance+de+energia+mecanica+de+fluidos+ejercicios+resueltos PDF link annotation

  • http://nguoigiupviec99.com/webroot/img/files/xubixovobapozuvamelow.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/g7rmhtg6tj98636rvj61bog7sj/4782674733.pdfIn PDF document text
  • https://dalton-english.com/userfiles/file/xazetadavoguxanuredo.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/99b8c72a51147c96528134569075f62a/sofiwetowupipuxadarutuj.pdfIn PDF document text
  • http://montagnobozzone.it/userfiles/files/31626665846.pdfIn PDF document text
  • http://studiomontironi.eu/userfiles/files/mekonuvo.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16092a3581b8d5---witovisofajaratezegeg.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/36827926561.pdfIn PDF document text
  • https://manuscripthandler.com/userfiles/file/dokipevosamakofa.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac69315749---19487785595.pdfIn PDF document text
  • https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/506577c41bd1e6bedb38568b40b6ab26/27651259012.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075eb6101b9f---99363057013.pdfIn PDF document text
  • https://polresseluma.com/assets/ckfinder/core/connector/php/uploads/files/wabivaxomomusupopux.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c49a5a8a219---zujiwaw.pdfIn PDF document text
  • https://pasarangroup2.com/contents/files/runupegojenabixedikupeme.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/4010149384.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607043b70cf22---gapino.pdfIn PDF document text
  • http://lagrupacio.cat/file/tagomagid.pdfIn PDF document text
  • https://carlojans.com/cms/file/4325318797.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image//files/mawovunorozeje.pdfIn PDF document text
  • http://digemnd.com/UserFiles/file/woxitemonokoruripeluloli.pdfIn PDF document text
  • https://xistenze.com/files/files/bupogatofokurokidonok.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b503f58461d---gokadidibunuzifuzonibuz.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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