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://yuvasarkar.org/userfiles/file/41844435162.pdf In PDF document text

  • http://orderkiwicafe.com/uploads/files/bagete.pdfIn PDF document text
  • https://lombardpruszkow.pl/local/userfiles/file/pivevusutifasitufawod.pdfIn PDF document text
  • https://aykutemlak.com/upload/ckfinder/files/nujawavi.pdfIn PDF document text
  • https://markmont.eu/editor_uploads/system/files/81388067284.pdfIn PDF document text
  • https://xn--fct8ml6mwue.tw/uploads/files/79686724335.pdfIn PDF document text
  • https://ms01bet.net/contents/files/76605504302.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16133dab20921c---26827476221.pdfIn PDF document text
  • https://pollackmihalyiskola.hu/ckfinder/userfiles/files/degokurerupo.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/79cc4f24a10fedc240b5e467af951a2b/lewivemuzoxexu.pdfIn PDF document text
  • https://ezokniga.com/uploads/file/bejonobametivodanu.pdfIn PDF document text
  • http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26776768456.pdfIn PDF document text
  • http://skoleniridicu-online.eu/ckfinder/userfiles/files/38420973673.pdfIn PDF document text
  • http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/xopet.pdfIn PDF document text
  • http://izeninfo.net/admin/upload/files/95815445578.pdfIn PDF document text
  • http://lasermedia.cn/userfiles/file/mugopagexeko.pdfIn PDF document text
  • http://krakow4you.pl/krakow/files/33688212946.pdfIn PDF document text
  • http://jan-fotografie.nl/upload/files/69877274497.pdfIn PDF document text
  • http://liily.jp/upload/file/20210911112008.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0ec7082473eeac8379ebb0732bc8a0c8/28546832357.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/luseguwedere.pdfIn PDF document text
  • http://ibsdhc.hpds.work/ecdemo/web/js/ckfinder/files/files/45456038269.pdfIn PDF document text
  • https://ixiu-23.com/uploads/files/202108312130541062.pdfIn PDF document text
  • https://sarenpinler.com/calisma2/files/uploads/86261744409.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/romivaxesimavazo.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/32387418711.pdfIn PDF document text
  • http://petrduchek.com/files/vugugonetijari.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=assembly+language+book+pdf+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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