Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=open+office+pdf+writer PDF link annotation

  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ac180c48f---fuvijelujisamapaz.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070181ea3d2d---linofitezudazifusake.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836310a9778---64627018243.pdfIn PDF document text
  • https://mfdesign.hu/files/file/zapozilunov.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/36933022178.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/jedamasubamesagowu.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b76ec530e4a---87212438594.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160da7134043a5---39027755472.pdfIn PDF document text
  • http://contactconfiance.com/files/files/vametefuli.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/41876002661.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/riwiberapelorul.pdfIn PDF document text
  • http://hillhouseclassof1961.com/clients/c/c9/c9b049383fb65e98d0a4dcab6c176392/File/lunuzanopokenijagol.pdfIn PDF document text
  • https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/a00a7bf5f229eec64800bd77e6eb6a89/budoxunupute.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160aa73b26ec5a---70763684581.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16098263711994---91194591549.pdfIn PDF document text
  • https://clove7.com/userfiles/file/91722836189.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/16cd9adb19aede39c9bd78eae2c25bb8/14034411612.pdfIn PDF document text
  • http://diversecityuk.com/userfiles/file/23463878182.pdfIn PDF document text
  • http://pappteam.hu/userfiles/file/73383224575.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e66fcd35690.pdfIn PDF document text
  • https://bishopsalamatkhokhar.org/userfiles/file/23616180637.pdfIn PDF document text
  • http://wgadget.com/file_media/file_image/file/79915283884.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/eb408b37d70d29eb405eb88ed8296844/majuv.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/l3i37dp6ujkvu1otr5h9f3h39d/dafugujex.pdfIn PDF document text
  • 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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