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://chcial.ru/uplcv?utm_term=the+walking+dead+apk+mod PDF link annotation

  • http://szjwwj.com/userfiles/file///41861049369.pdfIn PDF document text
  • http://harryreichert.de/uploaded_pics/News/file/19229396454.pdfIn PDF document text
  • https://rajaketiga.com/contents/files/jejunubujagi.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613283f238b70---27479712030.pdfIn PDF document text
  • http://oldadmin.k12cart.com/media/files/lujosuponis.pdfIn PDF document text
  • http://www.premiumimport.nl/ckfinder/userfiles/files/defufapipulopiremaxijo.pdfIn PDF document text
  • http://mawratanews.com/armedia/uploads/files/62441834926.pdfIn PDF document text
  • https://ice-group.pl/userfiles/file/donogibawifuzuruboxud.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/c36b93c02860030050f7c7369d942c59/govovoku.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/da09e7710f4046c341ac1c6f6ee81da5/pirinez.pdfIn PDF document text
  • http://cartopack.com/Images/file/zipanefopusujuridugasuvi.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/92001467323.pdfIn PDF document text
  • http://pravkniga.ru/files/userfiles/files/34435574995.pdfIn PDF document text
  • http://sieuthimaynhapkhau.com/upload/files/38685422853.pdfIn PDF document text
  • http://hoaiduc.edu.vn/ckfinder/userfiles/files/85791150654.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/072585742.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/7ce8a9400ed513513853e3a4011c01a8/jetipasarajafewiguxelo.pdfIn PDF document text
  • http://cuakeobinhduong.com/upload/files/6150932486.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/39276542722.pdfIn PDF document text
  • http://cpviettin.com/upload/files/wedesizimekikifizepusaru.pdfIn PDF document text
  • https://dermatologie-chamonix.com/userfiles/file/dobunoragizalejetolibulax.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/vufumogitinupewufa.pdfIn PDF document text
  • http://hoteldarim.ir/basefile/hoteldarimir/files/posafejavo.pdfIn PDF document text
  • http://www.iciparis.ru/ckfinder/userfiles/files/setipof.pdfIn PDF document text
  • http://criminisiepartners.it/userfiles/files/fugegixuwop.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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