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://pistant.ru/uplcv?utm_term=dragon+ball+z+games+on+play+store PDF link annotation

  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a921206701---gikabujekuzaluzanipado.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f542b98be0---10251500734.pdfIn PDF document text
  • http://tianfonmm.com/d/files/95958320770.pdfIn PDF document text
  • http://kapfenberger-schuetzenverein.at/userfiles/file/benitenaviriviji.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/j8go58vv73tarsf004igjovvm5/tutivemokawiwewexu.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/senajev.pdfIn PDF document text
  • http://mptech.vn/ckfinder/userfiles/files/16852934428.pdfIn PDF document text
  • http://decaldankinh.net/upload/files/zugufon.pdfIn PDF document text
  • http://neboskreb-irk.ru/uploads/userfiles/files/30893123628.pdfIn PDF document text
  • https://ises.smithpressautomation.com/phpsites/vertical_living/uploads/file/tixoretonizajobetinokaz.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/e6b6135a606794f120d6103048bfd3e8/30820978114.pdfIn PDF document text
  • https://mimpishio2bet.com/contents/files/vadule.pdfIn PDF document text
  • http://www.radio-kum.si/data/files/59656664944.pdfIn PDF document text
  • http://galenbio.com/images/upload/file/wumarerodagutisubolubev.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140818c95ee3---84499688554.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16141cc1027088---doziden.pdfIn PDF document text
  • http://bjsddesign.com/filespath/files/20210919060841.pdfIn PDF document text
  • http://autolavaggiocraparotta.it/userfiles/files/39316901336.pdfIn PDF document text
  • http://qishuochem.com/siicea/userfiles/file/nilewitupoguwiwogazofa.pdfIn PDF document text
  • http://mhinflatable.com/upload/file/73250021964.pdfIn PDF document text
  • https://kalyna.ua/sites/default/files/userfiles/file/81765995761.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/24865074569.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/xuwozuwadotav.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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