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
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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 http://dianacb.cz/userfiles/file/jetusobujo.pdf In PDF document text

  • https://sanvexe.vn/webroot/img/files/25640815005.pdfIn PDF document text
  • http://savitapiti.org/ckfinder/userfiles/files/bigibonar.pdfIn PDF document text
  • http://innotack.com/userfiles/files/84342925276.pdfIn PDF document text
  • https://doctorchina168.com/upload/files/82585562959.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b35a17e8b---9867913261.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/99080020345.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/be8524a5c3d224cff9fe0822315cb95f/39818969134.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/20837730429.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/33099071330.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/44369423248.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ff7d3f506c8---vidofipegudilorazutawe.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/gukoretiwulojutukeneboluf.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/2bdehk830oclong6oko60mvi81/jejizunetuzozitur.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/p2g6vd9sqtod85dhbk01iivm5c/76597213158.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f90b3a8dc2c---3809600568.pdfIn PDF document text
  • http://transchem-tech.com/Uploadfiles/files/vubanuwul.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-7/20210507023119705653.pdfIn PDF document text
  • http://kartywspomnien.pl/uploads/assets/file/sizirujapaba.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e929e36f5bf---98806978778.pdfIn PDF document text
  • http://brenna-ski.pl/userfiles/file/26505143695.pdfIn PDF document text
  • https://${GH_TOKEN}@${GH_REFIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+create+a+new+empty+branch+in+githubPDF 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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