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
• 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.
• 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://matrix-corporation.com/upfiles/editor/files/96005371854.pdf In PDF document text

  • http://autokolcsonzoszolnok.hu/admin/fck_upload/file/72002458489.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/2cb8217f24ee34f18609373fa5b57c63/44737844436.pdfIn PDF document text
  • https://holyfamilyhospitals.com/ckfinder/userfiles/files/kowupivusix.pdfIn PDF document text
  • https://giasidaily.com/uploads/userfiles/file/50424361169.pdfIn PDF document text
  • https://profitaler.com/UserFiles/file/40040743017.pdfIn PDF document text
  • http://thsport.dk/userfiles/file/movonosirudiji.pdfIn PDF document text
  • https://aluminiosarla.com/userfiles_arla/files/jofelamulasuguvidiv.pdfIn PDF document text
  • http://tprcindia.com/ckeditor/ckfinder/userfiles/files/21920073987.pdfIn PDF document text
  • http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/vibapazeluwijivudupukafod.pdfIn PDF document text
  • http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/59538891690.pdfIn PDF document text
  • http://flairpens.ru/uploads/file/9134487979.pdfIn PDF document text
  • http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/45003019477.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613777b505c7c---nazisexow.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/fagune.pdfIn PDF document text
  • http://househouse.it/userfiles/files/57369108659.pdfIn PDF document text
  • http://tdbm.vn/upload/files/96503023269.pdfIn PDF document text
  • https://tanthueviet.vn/img_data/files/soxabasoduveg.pdfIn PDF document text
  • https://investkwik.com/userfiles/file/pefitolanu.pdfIn PDF document text
  • http://fisioterapiasuzzara.it/userfiles/files/22675596100.pdfIn PDF document text
  • https://sharjahcements.com/images/bulk_images/files/36611712714.pdfIn PDF document text
  • http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/73524270066.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134773548c74---88654093436.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/86238180185.pdfIn PDF document text
  • http://sin-hua.org/userfiles/52408022590.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=watchsomuch+torrent+magnetPDF link annotation
  • 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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