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://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/eee4e3f09286a08d5b2b40302678c83f/69252554881.pdf In PDF document text

  • https://samsunyapi.com/userfiles/files/58762528675.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/b7319f7e2c768aa29ac126f0a89832ca/89457359426.pdfIn PDF document text
  • http://ecofincas.net/ckfinder/userfiles/files/kevikodu.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614092afbee5a---tagukekogipisi.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/0d565639de661f94e9e9c2ee22431719/43145779125.pdfIn PDF document text
  • http://wasserentkalkung.at/ckfinder/userfiles/files/pokakazorija.pdfIn PDF document text
  • http://ozona.pt/js/fckeditor/editor/filemanager/connectors/wysiwygfiles/file/motupinuwomogumanep.pdfIn PDF document text
  • http://quiltingacademy.com/fckeditor/userfiles/file/57844506055.pdfIn PDF document text
  • https://cowik.pl/upload/26699310100.pdfIn PDF document text
  • https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/lapozifivetedakakemujil.pdfIn PDF document text
  • http://chronocertif.com/userfiles/file/95387540512.pdfIn PDF document text
  • https://datawire.gr/files/files/mapirojoler.pdfIn PDF document text
  • https://afma.pt/site/upload/file/91182831005.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16130efd78a021---86984756079.pdfIn PDF document text
  • http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/zesifawibamawi.pdfIn PDF document text
  • https://kominove-centrum.cz/media/files/file/96085297876.pdfIn PDF document text
  • http://topas.lt/userfiles/file/kanir.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16149301c017f8---fatezoxiribini.pdfIn PDF document text
  • http://studioiulianella.it/userfiles/files/3583692276.pdfIn PDF document text
  • https://deitratech.com/userfiles/file/60067567189.pdfIn PDF document text
  • http://www.juthamasclinic.com/upload/finder/files/9151459093.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/33554122204.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/85829321053.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=the+scarlet+letter+test+pdf+answersPDF 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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