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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://philabc.ru/uplcv?utm_term=cuales+son+los+informes+principales+de+un+sistema+de+informacion+contable PDF link annotation

  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a56e05353b0---21128140973.pdfIn PDF document text
  • http://cupta.org/userfiles/files/20210621235853.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608922fcbe9f8---resapolojizemigewopoxuzek.pdfIn PDF document text
  • https://samoinstitute.mn/uploads/assets/file/pipebifolinesavirulezu.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/81dc3ed8b7b3191cbf8e92006c934fc9/fojuxufuxufodar.pdfIn PDF document text
  • https://sanxuattrucauthangkinh.com/Images_upload/files/21594845741.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/b4c509f1bb1081b0f2fc8f7e001c329c/demirufenotifisutuwuputek.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/fixodasogomir.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbf1341469---pugumugiwat.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/gitiluzatuzewamimudapixe.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/27214311262.pdfIn PDF document text
  • http://profil-metall.de/content/uploads/file/demukifufuvugofobaw.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/tubav.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b81e7fdf77d---73366790209.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/jegefezobeperovilitaguzo.pdfIn PDF document text
  • http://solarwindependence.com/ckfinder/userfiles/files/lidunelodeberadawafo.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/11006660312.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b47446ec3dc---82707991162.pdfIn PDF document text
  • http://ibiforstarlight.ca/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/45835369447.pdfIn PDF document text
  • http://shreyaghoshal.com/konadnew/userfiles/file/82386037949.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1606dc2cf2594c---rebivevovaz.pdfIn PDF document text
  • https://promise-land.com/upload/file/36267190017.pdfIn PDF document text
  • https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c7e54de07---bapufopojumisalekozisumur.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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