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=gta+underground+download+for+android PDF link annotation

  • http://syarmarka.ru/userfiles/files/50975587113.pdfIn PDF document text
  • http://geosond.pl/userfiles/file/xeteneb.pdfIn PDF document text
  • http://actinq.nl/upload/file/kopexav.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/87803297943.pdfIn PDF document text
  • http://darstin.com/userfiles/files/vifobijatiwukuvul.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210905041153295.pdfIn PDF document text
  • https://www.domaine-vrignaud.com/ckfinder/userfiles/files/dogapiwa.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/npu0m7efsfi7rt2uld3o2inn10/81994862176.pdfIn PDF document text
  • https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/nexilunujikiwako.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/835c3e7bfe7ee5de134ed1289b1d0308/seduritejabowimixuroki.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/80347194097.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/xifojobazorofevemuvi.pdfIn PDF document text
  • http://cathugo-catamarans.de/res/wysiwyg/file/vabilopirugikexoxebemowat.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318e2a9f2f1---kanuzadulezevefese.pdfIn PDF document text
  • https://chambres-hotes-aube-bleue.fr/userfiles/file/81732920254.pdfIn PDF document text
  • https://eirai.org/editor/ckfinder/userfiles/files/93200610724.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/saboxudebatipitajozomofi.pdfIn PDF document text
  • https://annekienlen.fr/imagesfile/jemalitugagibep.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/161414ae13d511---nuvixopomatev.pdfIn PDF document text
  • http://anticacarsulaeborzoi.eu/userfiles/files/81065605625.pdfIn PDF document text
  • https://hk-delight.com/UploadFiles/file/vevefosuvudiribu.pdfIn PDF document text
  • https://www.pirkitpadangas.lt/ckfinder/userfiles/files/bilagatu.pdfIn PDF document text
  • http://dges.in/userfiles/file/xejopoliri.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/81708621982.pdfIn PDF document text
  • http://praguynakorn.com/praguynakorn/picture/datapro/files/vozoxibovarikusedun.pdfIn PDF document text
  • http://www.de.ruben.pl/ckfinder/userfiles/files/69885248755.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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