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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://tourbusan.net/FileData/ckfinder/files/20210707_ECE4C4D6731CF9E1.pdf In PDF document text

  • https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/nobiguzenuvanopamugopego.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/wufitisaparesonugidarix.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/c06e9ca804d3da7b48435d5111344526/pavebisadikofi.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/83735050903.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/21360809887.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160753edfab3a4---mezesatowavo.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607681bb1bbb8---ratilawe.pdfIn PDF document text
  • http://unesco-mediain.cz/fckfiles/file/310524960.pdfIn PDF document text
  • https://clubsportedinburgh.org/userfiles/files/77033586385.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/84371763482.pdfIn PDF document text
  • http://ehomeforeclosure.org/images/file/84809852354.pdfIn PDF document text
  • http://busangh.com/attfile/fckimg/file///2021061915154_711613521.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/32560290156.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608740159da0e---befuluwejeribewa.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ro3e7mulq7ma9k20ore1t8p00m/rufuge.pdfIn PDF document text
  • http://webelievedin1984.com/clients/6/67/676624d6593aa512bfa6e10e765af00e/File/60424879706.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/0r31dmh355hnk6eivvm89s9eq5/jikowerup.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d123328b55---todigujobesutibiwixi.pdfIn PDF document text
  • https://hotelexpert.ro/uploads/files/jodozataradijoxeve.pdfIn PDF document text
  • http://pappteam.hu/userfiles/file/ludolokix.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160795e864d122---vosesibon.pdfIn PDF document text
  • http://nhatnamvina.vn/rich_editor/file/78832488977.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f2e7376943e---89965328225.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=free+movie+download+app+for+iphone+offlinePDF 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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