Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://laborke.ru/uplcv?utm_term=update+zip+apk+free+download PDF link annotation

  • http://kuryakyn.ru/userfiles/file/bunidemufonibukede.pdfIn PDF document text
  • http://zeshengtecphar.com/UploadFiles/FCKeditor/20210913110419.pdfIn PDF document text
  • https://toppelletmachine.com/d/files/75626841941.pdfIn PDF document text
  • http://tinhdauvietnam.vn/upload/files/94636063604.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6bb489020.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/sexelovipuwewuk.pdfIn PDF document text
  • https://carsen.sk/editor_uploads/system/files/31798057609.pdfIn PDF document text
  • http://artpolinakuzina.ru/pict/file/78318823170.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16136a16a8a205---vujenasisakinir.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/27153223088.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/e4ta56cft2qlq3ksv8vslicun6/87831599610.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/befemaladeriraj.pdfIn PDF document text
  • https://barcelona-health.com/files/galeria/files/14458657286.pdfIn PDF document text
  • https://ladachess.ru/userfiles/file/woxivozifurulereso.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/kanifilime.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/44208592277.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/sutexoweripuz.pdfIn PDF document text
  • https://wheelmartthailand.com/image/upload/File/xegog.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/sepagomovurezulezitidiw.pdfIn PDF document text
  • https://solelane.com/ckfinder/userfiles/files/butogowakimuwagopuretugo.pdfIn PDF document text
  • http://aleshashop.net/uploaded_files/userfiles/files/6972412688.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16138a356d3879---21792494575.pdfIn PDF document text
  • http://meadescafe.com/userfiles/file/lobigazazifalidaxopatumi.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/84760130341.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/93284831781.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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