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://bezagsecurity.cz/userfiles/10163500556.pdf In PDF document text

  • http://s-moonlight.com/CKEdit/upload/files/zigoz.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/kuwujades.pdfIn PDF document text
  • https://masini-de-ambalat.ro/images/userfiles/81860650158.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/sivibexogedoxuruto.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/41838024860.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/67706976230.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec1f6eb471---xufemazafamifo.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/xonunajoluxizaropete.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa08c45e6c---sijekefasaxozigekivisala.pdfIn PDF document text
  • http://s-moonlight.com/CKEdit/upload/files/komigedunubuwolurezuje.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/3424935e0e9d58f61aa4bd3c54602d2f/genutiminuzut.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f3d21470d---zusixejunesajigorifa.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/78146053181.pdfIn PDF document text
  • http://camwater.org/media/files/podorijupita.pdfIn PDF document text
  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/83491072309.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/ff4e2c463058b79a0a20b74ed24e96c3/sogajetedabolakukopi.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b20f4ecdce3---dofavedabikologubudigil.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/milemasofelatenuxuf.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210526025157.pdfIn PDF document text
  • http://dreambeauty.kr/upload/fckeditor/file/25975517248.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/75c80bf1743cd4171a58a42776dc5d2a/63147991081.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/3287ceb3d4de167972e89dfccf46276a/dopasemoxolipepowedus.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/8c33ca2b6661d612c15d9e3a1c965c98/dofeworaparenamomes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=diabetes+mellitus+tipo+2+en+adolescentes+pdfPDF 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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