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://coretry.ru/uplcv?utm_term=what+brands+use+sweatshops PDF link annotation

  • https://hamzsabegi60szallo.hu/UserFiles/File/5572192525.pdfIn PDF document text
  • https://bahia-group.com/ckfinder/userfiles/files/pofegofabozi.pdfIn PDF document text
  • https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/48579065897.pdfIn PDF document text
  • https://blueparadise.pl/userfiles/file/77150418503.pdfIn PDF document text
  • http://congluc.com/upload/files/67780278013.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/rcfb7a97e3oguhp9ngrm7v5ebf/bupitis.pdfIn PDF document text
  • https://3eyamaichi.com/upload/ckfinder_temp/files/20210910235231.pdfIn PDF document text
  • https://combrooncom.com/contents/files/801829487.pdfIn PDF document text
  • https://inprovitperu.com/ckfinder/userfiles/files/11459693268.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/27136495585.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/59149122059.pdfIn PDF document text
  • http://studioindelicato.com/userfiles/files/fudogesasoru.pdfIn PDF document text
  • http://compow.net/ckfinder/userfiles/files/jewenesani.pdfIn PDF document text
  • http://pumarecovery.com/userfiles/files/67179903627.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/161306f98cf882---kevulitepesasakem.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/gukerisi.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/nukiputixutoxewejeni.pdfIn PDF document text
  • http://ntvietnga.com/upload/files/59525727049.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc71fc407c---70188042429.pdfIn PDF document text
  • http://amirmazandaranihospital.com/ckeditor/files/files/58685203893.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/89515703105.pdfIn PDF document text
  • https://taucaotoccatba.vn/images/news/files/zojasaxele.pdfIn PDF document text
  • http://studioarchterreni.it/userfiles/files/pekaxuwururezabo.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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