Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://pistant.ru/uplcv?utm_term=123movies+the+forever+purge PDF link annotation

  • https://eletvital.hu/uploads/files/60222665303.pdfIn PDF document text
  • http://sheilahancock.net/blogfck/file/torovo.pdfIn PDF document text
  • http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/birenapifegopugejup.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/20036897829.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16143ecb510c27---lunaxaro.pdfIn PDF document text
  • https://aymfly.com/aym_image/files/koribu.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/21290113918.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134228605d27---naruwijoximevoxesij.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613018e8a3ee9---zerevijenixejusujuwi.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/69605795290.pdfIn PDF document text
  • http://www.puhito.hu/uploads/22923628231.pdfIn PDF document text
  • http://087334211.kad.tw/kads/ckfinder/userfiles/files/54703206591.pdfIn PDF document text
  • http://zoscm.zohukum.com/ckfinder/userfiles/files/29443556405.pdfIn PDF document text
  • http://ekmeta.lt/failai/file/jizipufewuxubokibubel.pdfIn PDF document text
  • http://otestmanager.org/club/data/userfiles/file/20210910024537.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/0a1e9b02410538464905504d3b99e946/xevefinuvajufidunuvijuba.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/43242880466.pdfIn PDF document text
  • https://unifor975.ca/userfiles/file/15766442537.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134afa5c1bd8---17229562395.pdfIn PDF document text
  • http://kavernoklub.com/campannas/file/32054885357.pdfIn PDF document text
  • https://plagij.at/ckfinder/userfiles/files/vapusadebigukibuj.pdfIn PDF document text
  • http://bhavalaya.org/ckfinder/userfiles/files/52616005308.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16139c237c8b87---13682761468.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/24177496907.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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