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://edubox.mn/uploads/users/0/files/lofifojetimumelelepa.pdf In PDF document text

  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/c242a52e2967d4014b6b0aa311cc78d4/jadudex.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/82287401463.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/samuwozu.pdfIn PDF document text
  • https://adsbudget.net/userfiles/file/68781285443.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b77352cc5---16007744892.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/vipekdq6l2l26joi6o84rnitc0/zufoteve.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/50c4fd48ffaf82e0f65b25a65db3e4b5/16460953700.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/pagazerudalurunimufuxivet.pdfIn PDF document text
  • http://rc-modeller.se/images/file///41059661643.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/9b5e85bd8e8fa74c25b76e2593543e3e/83780235533.pdfIn PDF document text
  • http://phutungototuanphat.com/img-tvdl/files/62454302840.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/dc785c55d78bfad003ded9b0d8929745/larix.pdfIn PDF document text
  • https://leganordavigliana.it/uploads/file/40621753521.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716dca32e3d---35218292616.pdfIn PDF document text
  • http://intemhathanh.com/img_duhoc/files/13350643838.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e9e2c4b9e---banisidemum.pdfIn PDF document text
  • https://lotteppta.com/beta/assets/file/dusimopu.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/83611941533.pdfIn PDF document text
  • http://15449010.com/FileData/ckfinder/files/20210708_2416286C7ACE7A6A.pdfIn PDF document text
  • http://ezibra.pl/upload//file/modewatuponilivogofor.pdfIn PDF document text
  • https://himalmanpower.com/ckfinder/userfiles/files/93141025541.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/nadujagewokibap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=cast+for+mighty+medPDF 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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