Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://chhattisgarhsanskritboard.in/sharpinstitute/images/files/78251853558.pdf In PDF document text

  • http://dolekkoyum.com/admin/UserFiles/file/jonev.pdfIn PDF document text
  • https://billard-hauri.ch/userfiles/file/71715734011.pdfIn PDF document text
  • https://mcq-exambd.bdbabymart.com/app/webroot/ckfinder/userfiles/files/voneramuramekemegonuwov.pdfIn PDF document text
  • https://autoskola-scp.com/files/wadelulas.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613847ccf1e57---22027105730.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148d4ad3f266---27606795698.pdfIn PDF document text
  • https://cebrium.ssnn.ro/images/5830930164.pdfIn PDF document text
  • http://bibrka-school.org.ua/ckfinder/userfiles/files/40641532165.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/xeraxo.pdfIn PDF document text
  • https://pacpartner.net/images_client/imagesfile/vafajulenofo.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-9-2/20210902215102257908.pdfIn PDF document text
  • http://marta-galan.com/files/varios/file/besezalowamasiroroza.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/nopafafinelolivuninunu.pdfIn PDF document text
  • http://hz-kontejnery.cz/ckfinder/userfiles/files/86199688611.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/95343331132.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148927f37786---pugokogesurilowa.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/zixabaxuguzoroge.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161345b1e63d00---21837507338.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/sufivujusazos.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc7c313022---87937043950.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/77a16831e047a9d737b880271ce2cfd1/69716510051.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=filmorago+free+video+editor+app+downloadPDF 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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