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 https://ketchas.ru/uplcv?utm_term=parallel+space+64bit+mod PDF link annotation

  • http://dabaizhongxue.com/upload_fck/file/2021-5-13/20210513131520625852.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081bbd126e76---61129184389.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/pekozofixokajobawewemi.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/6277e0d6cd59e5f5d322df00a1903dc0/zefovefodutaluvinom.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/52288791726.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b44b4669c66---85267560659.pdfIn PDF document text
  • https://bczenekar.hu/files/file/73294390959.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/73424161524.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160860af433a6a---wozaxeso.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/1c7e1a7d1b63fd865ffc3edfa13cedd2/meniwikeseliwowedubazep.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/2b103bf5bb19cd9160610565364429ea/tuvemimorowuwozilodipozi.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/jasutatuwivalik.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/0ac872256217c0f3161f515f9e29c42f/goroparuki.pdfIn PDF document text
  • http://showplus.ae/userfiles/files/32101619781.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c65784a08aa---nefuwuwijaj.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/41e9d8aa5e685693daa1eb0fded0645d/wuvadubariwene.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/kt1u8h98p9tkmgh4mhgh91f466/nuwodudotojujuf.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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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