Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://irlanc.ru/uplcv?utm_term=pubg+korean+apk+and+obb PDF link annotation

  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/16147943d86f62---70558883927.pdfIn PDF document text
  • http://youil.org/userData/board/file/dodegapedagenumi.pdfIn PDF document text
  • https://galedo.cz/www/data/cms_files/files/32993865424.pdfIn PDF document text
  • http://viethanit.vn/hinhanh/file/tazepagi.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/161367b9b73567---94118776871.pdfIn PDF document text
  • http://madiagranitosilano.it/userfiles/files/wavikorexekosuzujonupepe.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/watajodetix.pdfIn PDF document text
  • https://www.hkha.com.hk/ckfinder/userfiles/files/72109389940.pdfIn PDF document text
  • http://ytlcases.com/userfiles/file/vatuzebigogosegibovagu.pdfIn PDF document text
  • http://cmuniontravel.com/userfiles/file/6597839456.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/s35e2rv7ch99vl5f7b49d18vo3/35577740467.pdfIn PDF document text
  • http://montoaneli.com/ckfinder/files/bimopimomuvowawazokuf.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210911_E2B265E2B1D18BFF.pdfIn PDF document text
  • https://uclerbaklava.com/resources/file/lejolilobemekikobapunuk.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8a09ad844---67985605892.pdfIn PDF document text
  • https://jobtiara.com/files/files/35564637074.pdfIn PDF document text
  • http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81664264403.pdfIn PDF document text
  • https://produse-zilan.ro/files/61173119580.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/nusujan.pdfIn PDF document text
  • http://vitanova-cattery.com/upload/file/54158746174.pdfIn PDF document text
  • https://charming-dc.com/uploads/files/202109112229321920.pdfIn PDF document text
  • http://mylodge-naoshima.com/images/blog/file/55518570020.pdfIn PDF document text
  • http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/niguxivupoxotidunob.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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