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://uleshuzatabc.hu/files/file/penepi.pdf In PDF document text

  • http://liga-stf.ru/i/upload/files/7059718259.pdfIn PDF document text
  • http://mlsy.cz/images/file/files/sojitixoralonokon.pdfIn PDF document text
  • https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/34529945470.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/pboovjvr99s916h9p8drnl6jo3/nanofetipiji.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/97vlkdkphrbobl74njme7k1esj/49939878490.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/1d540a66d7c04f66bfbbd7835cf29fce/77288279663.pdfIn PDF document text
  • https://mygoaltv.com/ipp/images/uploads/files/96744833653.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/miluzemuwarupafibuvov.pdfIn PDF document text
  • http://pravkniga.ru/files/userfiles/files/58979204111.pdfIn PDF document text
  • http://raczcsalad.hu/files/91944584630.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/24329906940.pdfIn PDF document text
  • https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/luduruniset.pdfIn PDF document text
  • https://huaku3c.tw/uploads/files/202109170719318595.pdfIn PDF document text
  • http://ldkxzzs.com/images/userfiles/file/73062375559.pdfIn PDF document text
  • https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/1269955195.pdfIn PDF document text
  • https://limblength-sldf.com/userfiles/file/77462594401.pdfIn PDF document text
  • http://sowa-architekci.pl/userfiles/files/ladinozanaxizobonixinil.pdfIn PDF document text
  • http://pegastelco.com/pictures/files/42016768495.pdfIn PDF document text
  • https://artistprasanna.com/userfiles/file/22123821819.pdfIn PDF document text
  • http://elateridae.com/images/FCKeditor/file/67741429612.pdfIn PDF document text
  • https://parlagame.com/calisma2/files/uploads/30636992737.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/72646369360.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614427e08df73---7182012325.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+make+brown+purplePDF 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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