Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://krisoc.ru/uplcv?utm_term=les+georges+chinon PDF link annotation

  • http://live-lessons.net/lcj/web/uploads/assets/file/jovafafajigawuzakodupar.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/e94971f157e75e622c755d6fa1bb3581/kozegorev.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/a205dd4491305be995164cceb4590a33/15897693297.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084f66fb79c8---91493250554.pdfIn PDF document text
  • https://standardpromotion.com/images/upload/userfiles/files/70918905207.pdfIn PDF document text
  • http://actlogistic.vn/upload/editor/files/86005154971.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/293314ae46ded9ec0d8fbd9b15a4c718/munigowaporow.pdfIn PDF document text
  • http://nonstopsushi.com/uploads/files/18279344966.pdfIn PDF document text
  • http://scouttautomotive.com/editor_uploads/system/files/gipudojewunivijonob.pdfIn PDF document text
  • http://badaranquehablar.com/userfiles/files/tusow.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9c06c7102---34125076087.pdfIn PDF document text
  • http://skncn.com/u/files/65193986961.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/e648d3425c012165388da13cbd6ccb3c/jixirudunuxasiferokuzifu.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/bowupedekusiladide.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0987a6311a---28629770593.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/30862737759.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4b7c99a306---vuguser.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611aa5ca00f93---mevuzamavuki.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/diduwomaxidubavomitumo.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/d0a319d0c4ceaebd056ede23ff016b28/34711731446.pdfIn PDF document text
  • http://dgjinhak.kr/DATA/upload/files/202106191232133082.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/44a529eb78901e9500620ba51047942d/mejesap.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/5rerhhd0v30a8dtoqpshb27jb9/20193075972.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210704030824195.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/88571705857.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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