Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://inwebjor.ru/uplcv?utm_term=ananthanarayan+and+paniker%27s+textbook+of+microbiology+for+nurses+pdf PDF link annotation

  • http://hoya-system.com/uploads/files/202109130331112457.pdfIn PDF document text
  • https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/buxuvopanivodilitasu.pdfIn PDF document text
  • http://world-spa-resorts.com/dok/nojexobuserojij.pdfIn PDF document text
  • http://miydz.com/mingyi/images/userfiles/file/wizazup.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210907154955_ftssyz.pdfIn PDF document text
  • http://jfe.hk/userfiles/96753528295.pdfIn PDF document text
  • http://janaturismointegrato.com/uploads/file/52067214669.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/vatokibukebowo.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/3625046602.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/galajatuvomefizixeja.pdfIn PDF document text
  • http://rococosofa.com/files/files/98990210023.pdfIn PDF document text
  • https://www.xyoaa.org/sites/default/files/files/64524224280.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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