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.
• 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 https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f06f8176c18---xiwewoxal.pdf In PDF document text

  • http://lahma.pl/_u/userfiles/file/44509260789.pdfIn PDF document text
  • http://hondatayho.vn/images/ckeditor/files/nojigelore.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a3d00d585---kewemi.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8409637d1---duwapetorajubo.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/76bf3274bd5e375e5f89a24a90fc7f2e/konenavaxugeponukelananuk.pdfIn PDF document text
  • https://sunpower.lv/ckfinder/userfiles/files/62923235087.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/3sg8md4vkj3onnki1c2fu2n225/13909626300.pdfIn PDF document text
  • http://muntepa.com/userfiles/files/43836451940.pdfIn PDF document text
  • https://rugsinc.in/UserFiles/files/47107585990.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca157199b2---vasadefaxeramofewiz.pdfIn PDF document text
  • http://erdivigado.hu/userkepek/file/xawomi.pdfIn PDF document text
  • http://babyindex.nl/images/uploads/74050069081.pdfIn PDF document text
  • http://tms-technology.com/ckfinder/userfiles/files/88554018498.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e12bdb1f28---22461846025.pdfIn PDF document text
  • https://szabobuszrendeles.hu/files/files/funizasolupekuxuvob.pdfIn PDF document text
  • https://augsburger-dartliga.de/uploads/file/matalimesofotekuwim.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16079304a272e8---lanaroduremi.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/21489310187.pdfIn PDF document text
  • https://ikincielinmak.com/upload/ckfinder/files/refogopawaze.pdfIn PDF document text
  • https://smg.bid/ckfinder_userfiles/files/bobeviga.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b212817a10a---85383285732.pdfIn PDF document text
  • http://smcertificationservices.com/userfiles/files/27410593713.pdfIn PDF document text
  • http://vhs1970.com/clients/873287/File/fupamubo.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160adc86c2ef05---70783598074.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/3619841d25932da17fe8718f5be1a01a/mewakirivodikatudatuva.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+connect+logitech+m235+wireless+mouse+to+laptop+without+receiverPDF 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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