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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• 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://ketchas.ru/uplcv?utm_term=12+times+table+printable+worksheets PDF link annotation

  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/1d9e1e7d7e334f0b3cc0be491f12e4c4/72489267076.pdfIn PDF document text
  • https://fotoprint.lv/downloads/file/16907671291.pdfIn PDF document text
  • http://inbjnews.com/data/cheditor/0603/files/13882386575.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/gagoxufefigafaba.pdfIn PDF document text
  • http://rajasthanmetals.com/userfiles/file/sokarivijoburewepovab.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/derigiturowa.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/kebuwowadepigemugi.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609439cab2c28---75951328886.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/21597649870.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/naf9kln1deilr3r8ucj22lm22n/sarojarir.pdfIn PDF document text
  • https://peisheng.org/uploads/ckfiles/files/611ddb0d4c9df.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16070a64af0d88---katotibogoma.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/34534125944.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/54271005587.pdfIn PDF document text
  • https://conexusinternational.com/ckfinder/userfiles/file/pogigobanezasalu.pdfIn macro / runtime command snippet
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac377eef6e6---dalixetipeg.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/54878848154.pdfIn PDF document text
  • https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/907cb341361c933d5a475f19952910d8/60606344058.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607fea7b8d813---454664301.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/8d131535722144777f4dc4015db6324d/24129889609.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084303520219---77654810032.pdfIn PDF document text
  • http://finemetal-cn.com/upload/files/jozepejawolinidam.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/6f921fe6e80bda18d9338a030bc9864e/87420007680.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/04dcb903784cfd9973b89cc4bf81907c/43359899402.pdfIn PDF document text
  • http://densayhongngoaiIn macro / runtime command snippet
  • 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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