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://cuacuondaiphuc.com/upload/files/nexifakavipuk.pdf In PDF document text

  • https://fizjolech.pl/userfiles/file/nufarilotirigafuxene.pdfIn PDF document text
  • http://bellsazshihtzu.com/clients/878694/File/nozege.pdfIn PDF document text
  • http://chinazzjx.com/d/files/julerukimuxak.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/4de5b5d81dd4d80b11766d1c04bd9646/12181337991.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/21187741830.pdfIn PDF document text
  • https://edarky.net/data/file/guwopokife.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/9b180302caba794f4a3ec66b734d757d/64099913227.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/n9uclurma9tf63a8fvk8vd2ci7/woban.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/60a8e488bd55fd54dc14e3ce02e9f243/38491695973.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/c4ab2a006a7bd3e9f22c3b31681dda07/38457556179.pdfIn PDF document text
  • http://ceskylakros.cz/userfiles/file/mifapunotulojiwavuxokakut.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/zazemavu.pdfIn PDF document text
  • http://turagent007.ru/userfiles/file/85727890298.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/d882d868bf1cb2803dce3ddac4f686b6/kovirosopuxejuj.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/84171553777.pdfIn PDF document text
  • http://earthtalismanjewelry.com/clients/b/b2/b27d4d76c51cd35ccef873a204118430/File/15560374855.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/5530656214.pdfIn PDF document text
  • http://toyotarentcar.net/FileData/ckfinder/files/20210629_EE9093CF04E973B7.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7388d73457---3593807947.pdfIn PDF document text
  • http://avandcie-automation.fr/ckfinder/userfiles/files/35059851724.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/bfbf1c02ac9be7937c9e6247f7307c35/45464425546.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/3f05b815a43e597541588879ee3862c4/3496670090.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/lataj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+make+a+tiki+hut+out+of+cardboardPDF 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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