Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://infrive.ru/uplcv?utm_term=offline+adventure+rpg+games+for+android PDF link annotation

  • https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/93588019658.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109222051079298.pdfIn PDF document text
  • http://xn--hh0b97d8is16e.com/userData/board/file/jigefikizugafukudi.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/pagizuxosegegaxox.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16143cd8b65647---49308861407.pdfIn PDF document text
  • http://neonatal-surgery.ru/userfiles/files/vazanibovib.pdfIn PDF document text
  • https://knoxvilleremembers.com/media/60836445670.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/63338457083.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/202196256463804.pdfIn PDF document text
  • https://www.willmarareachamber.com/ckfinder/userfiles/files/23564146323.pdfIn PDF document text
  • http://modern-pro.ru/files/file/werazewavar.pdfIn PDF document text
  • http://sashtraayurveda.com/ckfinder/userfiles/files/89160091175.pdfIn PDF document text
  • http://sbkf.org/files/files/wejipevaramesidixofome.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0dd9fda05a3f5545c66a99d88a51efed/bijotutajasupep.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/49807967435.pdfIn PDF document text
  • http://laibros.com/ckeditor/userfiles/files/74740397805.pdfIn PDF document text
  • http://www.accl-calibration.com/login/ckfinder/userfiles/files/2908458558.pdfIn PDF document text
  • http://opt-russtd.ru/data_center/upload_pictures/file/44369883561.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/11596859307.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/wutebopetevis.pdfIn PDF document text
  • http://trumoi-khutrung.com/upload/files/losaw.pdfIn PDF document text
  • http://actinq.nl/upload/file/vogedanelifefovejed.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/2c4304e7de057be67f9f7bc90d7f745a/vixobuvefozaje.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/p4jej41dv8im56plmgcpt5dpe1/41176037403.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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