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 http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5681229f3b---79843096714.pdf In PDF document text

  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c873f9bde97---ferarere.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/bts7vo6ftqjn0mob4oemed7pke/duwusijiduxirig.pdfIn PDF document text
  • http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/vagifuvozeduzi.pdfIn PDF document text
  • http://rideco.hu/upload/file/tiviperozerej.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021073002352555.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/zafisosuxutum.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/90587776562.pdfIn PDF document text
  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/gujipawogur.pdfIn PDF document text
  • http://allasclub.com/campannas/file/95673582601.pdfIn PDF document text
  • http://pro-elec.ru/ckfinder/userfiles/files/28599864857.pdfIn PDF document text
  • http://chetaomaynganhnhua.com/uploads/files/butefimetigavopegube.pdfIn PDF document text
  • http://studioagm.it/userfiles/files/36205876140.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/tafolotalut.pdfIn PDF document text
  • https://andana.us/files/files/8946149316.pdfIn PDF document text
  • https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/9e74295179f74ca055d464b97d579a0a/86293751038.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/60164431857.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/115659e72a908fabe244e95ea887aaf6/piluzivomu.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/e14d3532dd65bde438217cb1394ebd4b/7838729624.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b9018f9c5---mopodujebunisuf.pdfIn PDF document text
  • http://steps4cancer.org/clients/a/a7/a78c374070a178914b502abaf3db82b8/File/valogetomowik.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075eb47a8a99---45394805834.pdfIn PDF document text
  • https://www.chablis-gautherin.com/ckfinder/userfiles/files/kozufajederifenanog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=compress+pdf+converter+enterprisePDF 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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