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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://smidgel.ru/uplcv?utm_term=how+to+download+chrome+extensions+on+android PDF link annotation

  • https://33mobility.net/uploads/files/37689152160.pdfIn PDF document text
  • https://ssekolkata.com/ckfinder/userfiles/files/xajiwenozun.pdfIn PDF document text
  • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/47996673252.pdfIn PDF document text
  • http://baheth24cars.com/ckfinder/userfiles/files/29452350883.pdfIn PDF document text
  • http://kruengrangthai.com/files/files/dojegobufedoximalejowa.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/b5d5d4d0aec8d74802976e8022ec4dff/13289421676.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161451baa063ad---93880430723.pdfIn PDF document text
  • http://sieuthikhoacaocap.vn/upload/files/busugasutamudomigi.pdfIn PDF document text
  • http://dtjxbpzx.com/filespath/files/20210924102723.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a424e79578---ponosopuf.pdfIn PDF document text
  • https://faktxeber.ru/resimler/files/5452260601.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/99173372314.pdfIn PDF document text
  • http://avtokapriz42.ru/userfiles/file/6620244467.pdfIn PDF document text
  • http://edu-soft.ru/site/htmlimages/file/zaroburikopu.pdfIn PDF document text
  • http://energy-labels.nl/userfiles/file/wevemitufamuxezej.pdfIn PDF document text
  • http://mrs-edu.com/sribati/editor/uploadfiles/wafazu.pdfIn PDF document text
  • https://svilia.restavracia02.com/userfiles/file/22601140372.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/41486553348.pdfIn PDF document text
  • http://ldksolar-officialliquidation.com/userfiles/files/3328854940.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614b5298bd3f2---guxunipob.pdfIn PDF document text
  • http://suitianhose.com/uploadfile/files/varegogopotuka.pdfIn PDF document text
  • https://i-try.tw/upfile/files/2021/09/23/xovenusetemej.pdfIn PDF document text
  • https://stotex.rs/files/nanexubunawosagolu.pdfIn PDF document text
  • http://rigosarchitects.gr/userfiles/file/gamagiduwajujukukez.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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