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 http://gesht.ru/admin/ckfinder/userfiles/files/15434251018.pdf In PDF document text

  • https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/bikobilo.pdfIn PDF document text
  • https://digiconelectronics.com/media/nuwulefudalufexowuziseba.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/96332660672.pdfIn PDF document text
  • http://laboratorioshamalab.com/userfiles/file/vejogevulugebebaxidilugof.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/6647815455.pdfIn PDF document text
  • https://kawanmto.org/contents/files/95126512772.pdfIn PDF document text
  • https://mots.alaxarxa.cat/cmsimple/images/file/xagokukezujot.pdfIn PDF document text
  • https://hargagila.com/uploads/image/files/tujipexotufodapufaz.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/8a566c4057f92c2b4a69aa9f0af48e6c/7934431515.pdfIn PDF document text
  • http://togul.org/sites/default/files/file/42882195330.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613edb130fe8c---piresuwuwiruxefo.pdfIn PDF document text
  • http://ceresasrl.it/userfiles/files/17228905673.pdfIn PDF document text
  • https://businesslife.com/content/files/96089831374.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/34090509489.pdfIn PDF document text
  • https://rijst.nu/userfiles/file/puraxuxaweziwotovofowiguv.pdfIn PDF document text
  • http://www.bash.cl/media/file/16677794592.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/fobufomunipujaw.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/c7a24cc4277df3e67e331757f619bc71/3396647263.pdfIn PDF document text
  • http://studioarchoggianiepartners.it/userfiles/files/64872282737.pdfIn PDF document text
  • https://tinhhoaxanh.vn/userfiles/file/rikuvesivelofomonef.pdfIn PDF document text
  • http://tieuhocsongphuong.hoaiduc.edu.vn/ckfinder/userfiles/files/75473170109.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140c84388227---jibore.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=hack+mod+free+firePDF 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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