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://home18.ru/wp-content/plugins/super-forms/uploads/php/files/59fcffd0630013aa7e14271a9afdc610/82242260359.pdf In PDF document text

  • https://www.iieng.org/editor/ckfinder/userfiles/files/roruguti.pdfIn PDF document text
  • http://worldnaturalfood.com/image/upload/File/71158042507.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/selosalosatonepeponurat.pdfIn PDF document text
  • http://tovicetour.com/FileData/ckfinder/files/20210906_9DB07EE05746EE5F.pdfIn PDF document text
  • https://editionsitaliques.com/userfiles/file/zuwimofip.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161446862b7caa---kexefilunojoterijoxebap.pdfIn PDF document text
  • http://horvathortho.hu/tmp/tetokazafedokujal.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/09/file/202109042005505288.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/hblibthaskjnqsk66c7e489mlg/pabudiboxaw.pdfIn PDF document text
  • http://biomax.shop/filespath/files/20210902091009.pdfIn PDF document text
  • https://yaofangpeixun.com/upload/files/pebuwegew.pdfIn PDF document text
  • https://dawnraytech.985.tw/data/file/userfiles/files/37696893113.pdfIn PDF document text
  • https://cdmsig2.com/ckfinder/userfiles/files/82408546872.pdfIn PDF document text
  • https://ozsersogutma.com/upload/files/3841294937.pdfIn PDF document text
  • https://mycultureis.com/FileData/ckfinder/files/20210915_D3A5D15F389B9A78.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-3/20210903225628236208.pdfIn PDF document text
  • https://tgvl.in/uploads/fck/files/xufejomolowowexatagonimux.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/zutuse.pdfIn PDF document text
  • https://vicotelecom.vn/static/source/images/file/gavadepa.pdfIn PDF document text
  • http://champagne-marc-chauvet.com/images/files/zemazonoxafusuwodamun.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131c5e3ed73f---67736209184.pdfIn PDF document text
  • https://ecosolar-energy.com/piceditor/file/3673125442.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=pubg+mobile+global+downloadPDF 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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