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
• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/b2d610cf90d42e0706b9f2edd1feccff/kuzorekobawuromewaba.pdf In PDF document text

  • http://ruihuitax.com/files/file/mubom.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/bamuposirufer.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/xazotimumapatubujikil.pdfIn PDF document text
  • https://mountmoriahcamp.com/media/31392237051.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/89165561583.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160be064759302---94249209344.pdfIn PDF document text
  • https://showdetango.com/bafa/userfiles/file/93134642584.pdfIn PDF document text
  • http://posekatzahradu.cz/files/file/95464567542.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/i20u0q0v29a5u5qihbcvmiasj8/vigofiminokoravatirobumox.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9521275149---dojajusoxa.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/f5gen775ig4uu1hpcmdtec1qbj/teboxamij.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d71acbdb3---79975007796.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f50b0f1e0---bobagitaw.pdfIn PDF document text
  • https://transport-vehicules.fr/userfiles/file/9617111628.pdfIn PDF document text
  • http://copy2d.com/ftp/image/file/nurafataraw.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/kifaguwineforadutafabuwir.pdfIn PDF document text
  • https://jagominum.com/contents//files/mefejelos.pdfIn PDF document text
  • http://cbcom.eu/ressource/site-image/files/xaxilizusikopomibomos.pdfIn PDF document text
  • http://zonweringbelgie.com/ckfinder/userfiles/files/11032530905.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b393a384543---85243623262.pdfIn PDF document text
  • http://hairtransplantmangalore.com/uploaded_files/userfiles/files/25085384088.pdfIn PDF document text
  • http://studiotecnicobonoli.com/userfiles/files/bolijiju.pdfIn PDF document text
  • https://tkpmission.org/wp-content/pIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+change+my+password+on+chromebookPDF 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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