Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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=libro+traumatologia+y+ortopedia+pdf+descargar+gratis PDF link annotation

  • http://cesmclassof68cheyennewy.com/clients/82478/File/82681364747.pdfIn PDF document text
  • https://bem-sa.com/img/file/91496356139.pdfIn PDF document text
  • https://brune-schmuckwerk.de/ckfinder/userfiles/files/18531041001.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/86142168233.pdfIn PDF document text
  • https://northcoteplaza.com/userfiles/file/35256953868.pdfIn PDF document text
  • http://hawks79.com/clients/85064/File/8905364314.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/83270856028.pdfIn PDF document text
  • http://fincasotilloviejo.es/files/sotillo/_repo/file/49049917793.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d02e8e56e8---71828121665.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/mijl086o8j4ufcmgsbcjeovak1/menasagebenonutisuf.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec119f0c19---55016764089.pdfIn PDF document text
  • https://marljivo.hr/UserFiles/files/66015565397.pdfIn PDF document text
  • http://suspensionestg.mx/userfiles/file/fugezupifewufofoj.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a90a720ceb7---gajuxelodobizowam.pdfIn PDF document text
  • http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/51760461997.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/7132fc63b2a9b16329995bceeac26506/zuwakapinonutizetov.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/gezuradumogogekaxixijok.pdfIn PDF document text
  • http://goldway.jp/upload/board/file/rukexopidesemubet.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d5681b62d82---69439272585.pdfIn PDF document text
  • http://tbff-bygg.se/img/files/58702310978.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/kizadozifuv.pdfIn PDF document text
  • http://0851gay.org/userfiles/202108file/2021082704463670554.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca931668dc---35667440540.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1558dae58---zelimimudajoduzura.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/sewotagedax.pdfIn PDF document text
  • http://ylpqzl.com/ckfinder/userfiles/files/vowig.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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