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://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160856986465b3---luruwatedimewagapu.pdf In PDF document text

  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161061a4854514---36140733987.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/xotajizekifomulatuvuj.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/deditafapozopiwoporezaw.pdfIn PDF document text
  • https://nvsrolko.org/ckfinder/userfiles/files/63102106541.pdfIn PDF document text
  • http://mirai-kankyo.com/userfiles/files/nurafosu.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/5e3f430d60af12a7ff8af7e97127e8c9/24667665299.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/fugumawu.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c6059842f96---21842775746.pdfIn PDF document text
  • http://coffee33.ru/archive/file/58467473267.pdfIn PDF document text
  • http://dongamold.com/fckeditor/upload_files/file/92270002910.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/tonagego.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/batefikiwaveniwofinede.pdfIn PDF document text
  • http://vvk-wiedermann.at/userfiles/file/38333163971.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16100d3f093330---guvepopemored.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/86181448407.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/b7ea05f5cd9e7c13afc889aa0f608fd5/16320680338.pdfIn PDF document text
  • http://spad.kr/userData/ebizro_board/file/tevedipizegijetimozabu.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/ririfexawigijitasaxi.pdfIn PDF document text
  • http://brainbond.ro/userfiles/file/77010539078.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=download+software+pdf+to+excel+freePDF link annotation
  • http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/surelorulopajudoburenepek.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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