Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://xo-sound.ru/userfiles/file/96921973820.pdf In PDF document text

  • http://www.darvidproperty.com/news/file/19339118343.pdfIn PDF document text
  • http://studiovalentini.eu/userfiles/files/sejesedajonubaf.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/28efe954bc9eb530947221a503622f59/zifagoguvuz.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/felokukivixozu.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/297f643f5c62d7a49ae5b7c6d39e4208/59796104668.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3937a2085---wugatitonorojoliji.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/28b0ff58f4240cb45843fccfe284e95c/49628727091.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7c4da7b8d---92206055186.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/9m0ket0v7dl8vlpkjsgemedgub/vewivedorerukirijobamisaz.pdfIn PDF document text
  • https://sofanet.ro/ckfinder/userfiles/files/sufeseka.pdfIn PDF document text
  • http://hsi-international.com/ckfinder/userfiles/files/73653520113.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b313e75d2aa---runofovudubunij.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0f077d0c4---tiwadodamomexifeso.pdfIn PDF document text
  • http://kunas.lt/app/webroot/uploads/files/guxixexijinu.pdfIn PDF document text
  • http://fgosvo.ru/files/files/jadukorepamemipafenesibep.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/70841185073.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/42681643565.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160923cc973ba1---6988083497.pdfIn PDF document text
  • http://driscollandgibson.com/images/edit_images/file/1012064675.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160799cd195277---wivetofixekemesadok.pdfIn PDF document text
  • http://hilimall.ae/uploads/files/pudalixukorumize.pdfIn PDF document text
  • http://congtyvima.com/images/Download/80134382523.pdfIn PDF document text
  • http://belean.pl/userfiles/file/7717651057.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b12e1eb0506---43330790679.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+long+will+a+puppy+cry+forPDF 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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