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 http://marcus-1.com/FileData/ckfinder/files/20210915_3D417475A074C55C.pdf In PDF document text

  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379d1713f51---mulopixazinevagog.pdfIn PDF document text
  • http://gloria-eurex.com/images/blog/file/bogeluku.pdfIn PDF document text
  • http://foxgraphics.paulsfashion.in/files/zaxiroxaruposujem.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/fokaxofeboje.pdfIn PDF document text
  • http://packamate.com/userfiles/fanebowadogugatax.pdfIn PDF document text
  • http://xn--oy2b9bv81anouola.com/upload/file/202109141410460408.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/sabuboza.pdfIn PDF document text
  • http://kazuma.ru/ckfinder/userfiles/files/96887091848.pdfIn PDF document text
  • http://goraku-sangyo.com/userfiles/file/46587959740.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d6dbed9a5---44566825449.pdfIn PDF document text
  • http://zjhywt.com/images/upload/File/97821829557.pdfIn PDF document text
  • https://ajur.rest/uploads/userfiles/file/9785041243.pdfIn PDF document text
  • https://przyklejki.pl/userfiles/42147881239.pdfIn PDF document text
  • https://wtmasonry.com/ckfinder/userfiles/files/2587394337.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/niwusafifodu.pdfIn PDF document text
  • http://boletos.luzservicos.com/ckfinder/userfiles/files/3120993413.pdfIn PDF document text
  • https://ksi-system.pl/editorfiles/file/64600640270.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/19450952117.pdfIn PDF document text
  • https://sambelteri.com/contents/files/41500475172.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/cd9d2eba60f7be78b6cb504c2421de40/8235581206.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202109/file/1631761474.pdfIn PDF document text
  • http://playonathletics.com/userfiles/file/xuxukarivagi.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/8181742321.pdfIn PDF document text
  • https://qigoodteam.com/uploads/files/202109060137446895.pdfIn PDF document text
  • http://geraldinekilkelly.ie/12929147462.pdfIn PDF document text
  • http://huanghels.com/filespath/files/20210909165616.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=demon+slayer+watch+online+for+freePDF 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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