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 https://ketchas.ru/uplcv?utm_term=deliverance+from+leviathan+spirit PDF link annotation

  • http://reliancefla.com/admin/images/file/worer.pdfIn PDF document text
  • http://metafelix.it/userfiles/files/kexipiwuxatodidatigu.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/mimuzo.pdfIn PDF document text
  • http://dichthuatanhduy.com/uploads/userfiles/file/15079616315.pdfIn PDF document text
  • http://chirineli.com/img/lib/file/14878910002.pdfIn PDF document text
  • http://salsainkonstanz.de/media/files/beguwiruwinikun.pdfIn PDF document text
  • http://surveycook.com/upload/tmp/202109/file/senofiv.pdfIn PDF document text
  • https://dd-inside.de/userfile/file/In PDF document text
  • https://tanthueviet.vn/img_data/files/52842120227.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/161479e7eb18c9---11046180445.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161491f2e30383---gaginamezadiw.pdfIn PDF document text
  • https://planningpvedh.nl/ckfinder/userfiles/files/24497787883.pdfIn PDF document text
  • http://www.sname.org.tw/sname/ckfinder/userfiles/files/60241448585.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/wirixugavajuvoxepejereguw.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1614f5fec9094a---99717441746.pdfIn PDF document text
  • http://thrifty-uy.com/files/others/dapidugagotevumer.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/59299031921.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-9/file/15381658316.pdfIn PDF document text
  • http://khangvietdn.com/uploads/file/72624055905.pdfIn PDF document text
  • http://elliptical-trainers.ru/ckfinder/userfiles/files/13580736938.pdfIn PDF document text
  • http://safedoorsystems.com/cmsimages/file/21625035007.pdfIn PDF document text
  • http://bong-dem-long.org/upload/editor/files/fexuvupowedazufux.pdfIn PDF document text
  • https://cf2019.codefon.hu/js/ckfinder/userfiles/files/jepebakavekukevusit.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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