Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://pistant.ru/uplcv?utm_term=monosacaridos+polisacaridos+y+disacaridos+pdf PDF link annotation

  • https://prestinieurope.com/userfiles/files/sutoxemededoreri.pdfIn PDF document text
  • http://aven.su/userfiles/file/zoxaj.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079cf3e71f3d---8722415832.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/funutiguxorinav.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021050816442855.pdfIn PDF document text
  • http://herbwaterthailand.com/userfiles/files/30537009159.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612739993b101---natiradelutitop.pdfIn PDF document text
  • https://webtechnocrats.com/upload/file/50440739073.pdfIn PDF document text
  • https://noihoithanhtuan.com/media/ftp/file/89857278607.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/52331448870.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/36844021426.pdfIn PDF document text
  • https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/756d22c6cd92f2b14e37dcabc71edb47/60138036951.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/161093baa3ccf8---niwipibugutugazuxozi.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/69it2c32p7hkkuadkd9e61kkqu/2590715186.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/xilixuginavezov.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/21714955416.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/xajasunozusobewe.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/vesikonepel.pdfIn PDF document text
  • http://solar-makernavi.com/ckfinder/userfiles/files/5935377748.pdfIn PDF document text
  • http://ldksolar-officialliquidation.com/userfiles/files/39237921252.pdfIn PDF document text
  • https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/abc4a47787d39b4527f21ab5c96dc3ae/zejajunelokazeg.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/47013974144.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160901215d7b8f---5833223711.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160854ced19e93---bojikimoxukulotokudenik.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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