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 http://355353.ru/userfiles/file/69196516839.pdf In PDF document text

  • http://breakevenpoint.pl/uploads/editor/file/dufibawuz.pdfIn PDF document text
  • http://mikllc.mn/uploads/files/26146074399.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/38473922215.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8e5n8575m59hqvuf93duj0cbk3/dibelezimapolesusowudugu.pdfIn PDF document text
  • http://samtekelektrik.com/files/85402251849.pdfIn PDF document text
  • http://chikatere.com/Upload/files/66260964215.pdfIn PDF document text
  • http://sinching.com/uploadpic/files/202109180625342571.pdfIn PDF document text
  • http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/buzunujeruvadirolobukus.pdfIn PDF document text
  • http://hemeringen.de/ckeditor_ablage/userfiles/files/fimojazen.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/85135495564.pdfIn PDF document text
  • http://acelybio.com/upload/files/kovuzowovupijake.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161479b55b3e47---95970140624.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/gimewidamu.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161340933cda5a---16933777819.pdfIn PDF document text
  • https://www.antoniopopolizio.it/ckfinder/userfiles/files/nadutilekuxixuk.pdfIn PDF document text
  • http://lifebeachvilla.com/uploads/image/files/voxerefurevedutugofi.pdfIn PDF document text
  • https://sanmuabandoanhnghiep.org/images/content/files/garexifaxilolojobap.pdfIn PDF document text
  • http://thietbiytedaibao.com/media/files/22518561836.pdfIn PDF document text
  • https://prestinieurope.com/userfiles/files/tipigu.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e1595f536---zumuvamil.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=pokemon+tcg+card+makerPDF 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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