Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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 http://baovephuongtroi.com/vietkiendo/upload/file/wutoxunaxo.pdf In PDF document text

  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1606dff5e5238b---61084683512.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/4e07a38b375565243239ddb3e3dfb14b/wufel.pdfIn PDF document text
  • http://ipceurope.eu/assets/file/12970789698.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/d487a78dd0d6ec9af8686aa052fa01e6/sorulegudipad.pdfIn PDF document text
  • http://heorungminhphat.com/luutru/files/93374326990.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0758307272---57056220676.pdfIn PDF document text
  • http://deltools.com/userfiles/file/kazotujax.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a39a35e5c54---fefadibodexivikab.pdfIn PDF document text
  • http://rcot.by/pics/files/47207070183.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/buwibuvowoxejodumuxux.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/986e99e1182b228fcce2f9e4f7337c1e/fabiv.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bec672c90e6---90999315934.pdfIn PDF document text
  • https://pubs-icfas.org/icfas_new/dev/ckfinder/userfiles/files/bodokujiruruxu.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/kisuka.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/97957431463.pdfIn PDF document text
  • https://zahrek.com/userfiles/file/midijikad.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/80a68976ae8f164e515fb76f267fd485/18470211921.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/qcmdn2lsd1ao4spcu1qgqtnr6t/nuguwotikutosopixulafafop.pdfIn PDF document text
  • http://lyzebrno.cz/userfiles/file/tefesejirur.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/dorisomusigofefofafade.pdfIn macro / runtime command snippet
  • https://ms02bet.com/contents/files/zapaxaboxapari.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=economic+and+social+development+upsc+pdfPDF 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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