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.
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. 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://lotusmarinevn.com/upload/files/61216859621.pdf In PDF document text

  • https://pratham.one/file/56293703732.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e243b76c1---kugesabojak.pdfIn PDF document text
  • https://alebusph.centralcms.cloud/galeria/files/soketoxadudimoweturizi.pdfIn PDF document text
  • https://jackinthegym.com/uploads/files/202109021652306282.pdfIn PDF document text
  • http://alde-pace.org/ckfinder/userfiles/files/sazozotemizoduvifeje.pdfIn PDF document text
  • https://el-tall.pl/pics/file/16705390233.pdfIn PDF document text
  • https://angel-juicer.com/FileData/ckfinder/files/20210913_69C59B87D7EB9100.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/sidimikizufixa.pdfIn PDF document text
  • https://transmilenio.net/datamont/userfiles/file/99987715096.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/94996940562.pdfIn PDF document text
  • http://bestbelly.org/content/files/files/vemuvedisipemebijubet.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/fuxavogebasibakuwafidozet.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1613f215965062---25518615310.pdfIn PDF document text
  • http://www.ettermanenterprises.com/ckfinder/userfiles/files/97209490347.pdfIn PDF document text
  • http://ottuk-e.org/userData/board/file/87352862367.pdfIn PDF document text
  • http://85560891.com/upfolder/e/files/20210907131801.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16138ff72bdbe6---53082318745.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/guxanonikone.pdfIn PDF document text
  • http://didopack.com/files/37601339716.pdfIn PDF document text
  • http://smsalumni1971.com/apadmin/uploads/userfiles/files/69157634353.pdfIn PDF document text
  • http://ekogamma.pl/javascript/ckfinder/userfiles/files/14650209846.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/161301c3745a30---90967912786.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133461d14323---fiwagaduputukofulesinet.pdfIn PDF document text
  • http://vuonlan.vn/data/upload/files/90050505421.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=amir+beck+introduction+to+nonlinear+optimizationPDF link annotation
  • 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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