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://oniceh.ru/uplcv?utm_term=how+to+transfer+all+my+files+to+sd+card PDF link annotation

  • https://zlato-stribro-investice.com/upload/files/84575074377.pdfIn PDF document text
  • http://playbabydoll.com/userfiles/file/61929642507.pdfIn PDF document text
  • https://truongthanhco.vn/webroot/img/files/wexuxurifusolijevali.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2a071f198---kexiwadetonini.pdfIn PDF document text
  • http://cambridgekapurthala.com/damana/userfiles/file/mupidexopigajevejeg.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135da19b3834---30362254055.pdfIn PDF document text
  • http://bbdecontra.com/userfiles/files/52667045827.pdfIn PDF document text
  • https://ctners.com/ckfinder/userfiles/files/39826253297.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/3570239700.pdfIn PDF document text
  • http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/22420080375.pdfIn PDF document text
  • http://www.bordadoindustrial.com/ckfinder/userfiles/files/mowuxoz.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/062ce442933eb7656ea79af3bcb43aaa/21729687128.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140fb3824537---tetezaratunopurekonaguv.pdfIn PDF document text
  • http://instalace-charvat.cz/userfiles/file/75872775750.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/38291331004.pdfIn PDF document text
  • http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/88153887403.pdfIn PDF document text
  • https://eatorhours.org/e-bussiness/fckimages/file/91559597220.pdfIn PDF document text
  • https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/75798571122.pdfIn PDF document text
  • https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/vexoniwiruvuvi.pdfIn PDF document text
  • http://print-resource.co.uk/ckfinder/userfiles/files/99504010158.pdfIn PDF document text
  • https://cuatudongsaigon.net/uploads/files/zewenorubutunov.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-14/20210914110911641752.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/ac83f998dda5bbdfd741e772e734692e/mubomaxud.pdfIn PDF document text
  • https://speeddating.lt/speeddating/ckfinder/userfiles/files/98558633886.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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