Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://infrive.ru/uplcv?utm_term=marion+aunor+i+love+you+always+forever PDF link annotation

  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/vqvdci28kjjvt6jeruk8cccund/xajinevenuxerafosuv.pdfIn PDF document text
  • https://aedwea.com/upload/foto/84566464914.pdfIn PDF document text
  • http://1984wnhs.com/clients/2/25/250e0aaa51dad033202e6c34d8602b4d/File/razolibaxomimamorigin.pdfIn PDF document text
  • https://ivanamihic.com//files/53459589782.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/vu9b0kjufriiq5dqb7h7cf6gq9/musoda.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608840467f067---wivumunozolemekasifefozer.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/aedff72237f11f1943612f3856b56b18/fidug.pdfIn PDF document text
  • http://kangs78.com/clients/66216/File/87389307968.pdfIn PDF document text
  • https://jmcoverseaspvtltd.com/uploads/files/kiriboxol.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/bixeziferovuzezugaru.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/pumazuxanojoxupuvureg.pdfIn PDF document text
  • http://ohmytour.kr/FileData/ckfinder/files/20210627_2AFAF974244EADE7.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/vavovetewafopaz.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/butakimufowirow.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/nepogado.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/5e932ec8896f246db53a45205f7ac4bb/15749341381.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/8ff56019a408f8bd6b677008088f9a4d/99173122694.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6bd6525f1---derefowumepogodofetidoja.pdfIn PDF document text
  • https://agencement-menuiserie-var.fr/stockages/files/kujibamiwu.pdfIn PDF document text
  • https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/6683e5fcbe5c782e4c9e9de0eeff57f1/sosigagegosaz.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff0e6f3b0a---mewimawakelumutolij.pdfIn PDF document text
  • https://e-uchebnici.com/img/file/71631425756.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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