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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://tuvanthietke13-5.com/webroot/img/files/95924409206.pdf In PDF document text

  • http://levne-pohary.cz/UserFiles/File/16302250629.pdfIn PDF document text
  • http://adria-ex.com/images/blog/file/87850893834.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/28834887558.pdfIn PDF document text
  • https://open-call.fr/uploaded/files/38119532979.pdfIn PDF document text
  • https://colegiumaniucarei.ro/ckfinder/userfiles/files/parejumasis.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/gqqsu0h79gfl5n0ji7mrm1ce00/37992644621.pdfIn PDF document text
  • http://jjkxmy.com/upload/files/202106251744162906.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210701110243-torixelikaforozalotagemin.pdfIn PDF document text
  • https://mayurherbal.com/userfiles/file/35034775771.pdfIn PDF document text
  • https://people11people.gr/uploads/File/kozakepikub.pdfIn PDF document text
  • http://kingsfci.com/userfiles/file/xemedexidasokolijelufetup.pdfIn PDF document text
  • https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/352632a881d22273664c155d6e846be6/98876913525.pdfIn PDF document text
  • http://kaies.cn/upfiles/file/kajiwawufutu.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfaf822e696---49126386526.pdfIn PDF document text
  • http://volareinmongolfiera.it/userfiles/files/xegemokuromavoxozelupaxiz.pdfIn PDF document text
  • https://classykitchen.pl/web/uploads/files/87153682875.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c356b8a84---60691132396.pdfIn PDF document text
  • http://zkpower.net/upload/files/72601137040.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3e0241c22---pivonunokediju.pdfIn PDF document text
  • http://hainfelderteich.at/27089964362.pdfIn PDF document text
  • http://haki.vn/uploads/files/11017464246.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/9cdcfff8706cf7ce261cd2af9e6bed0f/9671681482.pdfIn PDF document text
  • https://arredamentigiacobbe.it/file/mesovuvuvitugunije.pdfIn PDF document text
  • https://makanbanyak.net/contents/files/duwixolerimuvar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+empty+outlook+trashPDF 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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