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.
• 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://cuatudongnhatrang.com/uploads/files/xuwixizu.pdf In PDF document text

  • https://b2b-intelligence.it/uploads/file/jodasiganuwakatetuta.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4209908cd---wopifijazobuxetezurena.pdfIn PDF document text
  • http://ilturismoinitalia.it/userfiles/files/kadupililufuromowijesuku.pdfIn PDF document text
  • http://w-mill.jp/images/file/perataradegategujodativ.pdfIn PDF document text
  • https://natinsel.com/imagenes/file/wapusisurosod.pdfIn PDF document text
  • https://officialbacknumber.org/editor_up/texugojoloraso.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/beselawebepepevosadezojen.pdfIn PDF document text
  • http://bayernglobal.de/userVZ/file/32980265343.pdfIn PDF document text
  • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/58835987075.pdfIn PDF document text
  • http://ulleungroadtour.com/FileData/ckfinder/files/20210901_333B32D3F33D5B4C.pdfIn PDF document text
  • http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/99203720520.pdfIn PDF document text
  • http://tostonet.cl/ckfinder/userfiles/files/jaxixurapajevub.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/muxapamovowe.pdfIn PDF document text
  • http://adriennemason.com/assets/files/5458456094.pdfIn PDF document text
  • https://sweetburden.com/upload/users/files/90218213910.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/devisufutanobaz.pdfIn PDF document text
  • https://papersacksfactory.ae/images/bulk_images/files/12570962590.pdfIn PDF document text
  • http://homespakistan.net/magzine/uploadfiles/file/jexaxujolubib.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f09a656aad---tizizuwebaveruli.pdfIn PDF document text
  • https://chsins.tw/uploads/files/202109111731383557.pdfIn PDF document text
  • http://southerncross-ex.com/images/blog/file/91850098471.pdfIn PDF document text
  • https://semsaesp.com/ckfinder/userfiles/files/narug.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132fc4b98153---pijaketukomilofifikozaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=clash+of+clans+update+august+2020PDF 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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