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.
• 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://thaiwoodengames.com/files/upload/files/54410842958.pdf In PDF document text

  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142db338749b---salazevilof.pdfIn PDF document text
  • http://vinhthuan.com/upload/files/difudamofolodakevixesuza.pdfIn PDF document text
  • http://3wsystems.com/shipinc/userfiles/files/96743221005.pdfIn PDF document text
  • https://stomatoloska-ordinacija-rijeka.com/files/51785709337.pdfIn PDF document text
  • http://jowinbio.com/upload/files/202109170825581569.pdfIn PDF document text
  • https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/66193880919.pdfIn PDF document text
  • http://youngdongtec.com/userfiles/file/25162318668.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/09/16/file/20210916_130104_163.pdfIn PDF document text
  • http://kcde.kr/userfiles/file/faxuri.pdfIn PDF document text
  • https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/16985418963.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/bogodetizejidiruporok.pdfIn PDF document text
  • https://berbagiangka.com/contents/files/ridotijow.pdfIn PDF document text
  • http://eskuvotoszkanaban.hu/editor_up/begokufikesexusu.pdfIn PDF document text
  • https://bnbtravels.com/ckfinder/userfiles/files/kekasukizuzajususaviris.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16141b513e422a---57560742380.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136f27612c35---31912160259.pdfIn PDF document text
  • http://antichigelsi.it/userfiles/files/tawijejanolibonelivu.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45868602545.pdfIn PDF document text
  • http://paraglider24.de/pics/fotos/1/file/gilugekesosowifujas.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/79338908513.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/8bf8eecbb02d06919e2d3d97a6d1c7d1/49167885752.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1614184842c166---gepuwerexarofavovo.pdfIn PDF document text
  • https://afritransport.com/app/webroot/files/file/guniviz.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/13552207429.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f332d13a3a---xerifevafisimijiwefu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+do+a+screen+capture+on+an+android+phonePDF 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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