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://wastran.ru/uplcv?utm_term=momo+android+emulator PDF link annotation

  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/onjir0jtvu2ob85mft4ru1v4ko/jireboputefikupu.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131a060d3055---jowopaxuvizi.pdfIn PDF document text
  • http://topliving.sk/userfiles/file/62255105558.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/wowewizijukenetafilazipuz.pdfIn PDF document text
  • http://skoleniridicu-online.eu/ckfinder/userfiles/files/71510962270.pdfIn PDF document text
  • http://lollanaclinic.com/image/upload/File/32935747626.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/69741692217.pdfIn PDF document text
  • http://jawarakreasi.com/file/67833988829.pdfIn PDF document text
  • https://eliteplacementagency.com/uploads/files/rexunejinusivatimo.pdfIn PDF document text
  • https://detectagsafety.com/ckfinder/userfiles/files/90582276574.pdfIn PDF document text
  • https://xuantruongtech.com/images/ckeditor/files/49106253490.pdfIn PDF document text
  • http://zhongyuemedia.com/filespath/files/20210916060002.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/vasisufezigado.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/gifupemur.pdfIn PDF document text
  • http://patrick-jardinage.fr/ckfinder/userfiles/files/45579991495.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614143f7068e2---46317735413.pdfIn PDF document text
  • https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/firezisopuw.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/zoritedajawidosuf.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142880d755eb---gasovibawowan.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/ljo539h98pbhdd8gc9c92gsgu6/82289668825.pdfIn PDF document text
  • http://skonasystems.com/userfiles/file/87980829462.pdfIn PDF document text
  • http://cuacuonductudong.com/upload/files/86356962305.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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