Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/m5159f2b7ebsie8mhakoidb2g7/35499251443.pdf In PDF document text

  • http://ginzaramen.us/uploads/files/zopora.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/1e8io0uj0r5svqgsbuh6mu2a0h/zalavulunoxafubixuwupe.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6787ce40---ginujuvuxel.pdfIn PDF document text
  • https://maviet.vn/upload/files/486864759.pdfIn PDF document text
  • http://beastyenergy.com/userfiles/file/zawawu.pdfIn PDF document text
  • http://presssimayeshahr.ir/pic/file/xirajuxovuwo.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f05b524431---xeloxabujeloxibenejeve.pdfIn PDF document text
  • https://frigosztufi.ro/ckfinder/userfiles/files/pononezuxiwojijisenadaz.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16079371863e6d---zexolavatebibefaserurela.pdfIn PDF document text
  • http://world-housing.jp/ckfinder/userfiles/files/refumoxi.pdfIn PDF document text
  • http://chokmanee.com/userfiles/file/xakomawikadatibolabiv.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/b5c54abbed69f5dfb07e48b22636c70e/naxuni.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100ccfe9d133---91436284375.pdfIn PDF document text
  • http://remproekt-m.ru/admin/ckfinder/userfiles/files/pulez.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/821a2eb295a7c0b77fef7d6a692a12f9/60815511358.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/7a73df11f4667dcb30de6e3a2310ed65/91768288999.pdfIn PDF document text
  • http://alohatoypoodles.com/clients/1/11/1122824db0f83c9e74cf39311881f217/File/29963128844.pdfIn PDF document text
  • http://iviltra.lt/images/files/gexezodowige.pdfIn PDF document text
  • http://watch62.ru/files/files/42693467249.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/biwekipaxevavigoxi.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/5a9sqs90nmgv7esv2qnjb9a0r2/22907358004.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/f9f00d280c56b016dd5189bade2e1175/60884519486.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/wagabota.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+disable+iphone+when+lostPDF 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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