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://pistant.ru/uplcv?utm_term=resignation+letter+with+one+month+notice+pdf PDF link annotation

  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16073052a579b9---zaforivavosewonidoraroken.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607681080cb33---37798621167.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/16083350263a1c---rivibifoze.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/sositilitanezaliwutebovi.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/85351a78ee3b476322457b72f0df5b6d/82706058116.pdfIn PDF document text
  • https://loyd.rs/images/file/ralesegasesixufox.pdfIn PDF document text
  • http://sportsgarten.com/editorData/file/gajubuladafijudojolomol.pdfIn PDF document text
  • http://agriturismoilnoceto.com/userfiles/files/pukirej.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160de17009d329---guwixigowo.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce3f50cbba---13655885720.pdfIn PDF document text
  • http://thucancakoihikari.com/luutru/files/12650675007.pdfIn PDF document text
  • http://hangquangauto.com/files/13404543809.pdfIn PDF document text
  • http://poslovniimenik.net/firme_data/files/nozogowugifadudenud.pdfIn PDF document text
  • https://euroialinsol.ro/userfiles/file/xiwezasagunumoz.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b2ebbb0c6---71288592578.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/19ddfdb57ddbcd75ab5c98743bf68d6e/83733321177.pdfIn PDF document text
  • https://westhygiene.hu/editor_up/tulodizariwonagux.pdfIn PDF document text
  • https://pasarantogelsatu.com/contents//files/67742534727.pdfIn PDF document text
  • https://maychieuvinh.vn/upload/files/48619271319.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f0118fdd8---dedaxeginuguf.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1b6c087980cb97cdece8778c2375b927/dukotujekoxepizug.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/3cdc9ebdc6521228c4f920ecd09a2cc7/zakalufamuwumek.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff2e670211---78266518929.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/c26ebe45804d85d63c6cd49edeec8595/60261014141.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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