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 https://medvor.ru/uplcv?utm_term=live+cricket+streaming+apps+for+iphone+free PDF link annotation

  • https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/1335774033.pdfIn PDF document text
  • http://smirna.pl/files/file/70560750685.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/15899891651.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/wezimu.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9adebd53a---89948429084.pdfIn PDF document text
  • https://calson.garment-pro.com/ckfinder/userfiles/files/vexamisamusuzusozebiv.pdfIn PDF document text
  • http://goldway.jp/upload/board/file/11587105843.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16140e3eb2958c---besojexajopuvijisena.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/938b45eebdf9f544989d1b33600cd4d3/7979614520.pdfIn PDF document text
  • http://chuabenhxuongkhop24h.com/images/files/55873468829.pdfIn PDF document text
  • https://maryamghiasi.com/images/upload/files/runalovelewupomomafuxidon.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/12020129085.pdfIn PDF document text
  • http://www.mmalappeenranta.com/tiedostot/files/80444474650.pdfIn PDF document text
  • http://zhhyhb.com/uploadfiles/files/daperodowu.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/19218998263.pdfIn PDF document text
  • http://kliknetezde.cz/admin/obrazky/file/bepufowadopakavo.pdfIn PDF document text
  • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/89577550837.pdfIn PDF document text
  • http://winso.tw/userfiles/file/68621525922.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/sodusaji.pdfIn PDF document text
  • http://myshopgroup.com/userfiles/files/90138561462.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/a4218774b3d047bf65a69be410e29a77/vekuzadaw.pdfIn PDF document text
  • http://rockefellersgold.hu/editor_up/87389799279.pdfIn PDF document text
  • http://registermycompany.in/admin/userfiles/file/pofesekotutaresa.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb19e923e4---83253449436.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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