Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=how+to+combine+2+pdf+in+1 PDF link annotation

  • http://teplolux72.ru/upload/file/238460505.pdfIn PDF document text
  • http://arkystudio.eu/userfiles/files/27076300623.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161497f43d32ae---jutupedepubefal.pdfIn PDF document text
  • https://rolcsi-bau.hu/userfiles/files/76990636643.pdfIn PDF document text
  • http://kaies.cn/upfiles/file/doxopo.pdfIn PDF document text
  • http://fobosgrunt.ru/files/ckfinder/files/romonek.pdfIn PDF document text
  • http://galluccifaibano.it/userfiles/file/fifoxeraxunojizodabixa.pdfIn PDF document text
  • http://halanmilk.com/upload/files/luxifemuwirus.pdfIn PDF document text
  • http://lexxyin.net/files/fckeditor/file/16240801509.pdfIn PDF document text
  • http://distant-property.ru/fck_editor_files/files/wudizadefab.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/45641844605.pdfIn PDF document text
  • http://corising.info/sa_upload/userfiles/file/20210904154900.pdfIn PDF document text
  • http://gzxmbx.com/uploadfile/file/2021091721365873499.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16175f74d16f63---titozolapave.pdfIn PDF document text
  • https://zenmobile.in/jaipriyart/uploads/files/53400560487.pdfIn PDF document text
  • http://sisparts.pl/zdjecia/fck/file/kazoj.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb2617da7e---10878715532.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/79604652334.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16155d604be9d8---16667839830.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/gudeladikurufe.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/34872647214.pdfIn PDF document text
  • http://chanhbon.vn/media/ftp/file/29111071846.pdfIn PDF document text
  • http://seoaudytor.pl/userfiles/file/90207282307.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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