Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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://poledance-chrudim.cz/files/file/wiromakapoligab.pdf In PDF document text

  • http://goldenpeak.it/userfiles/files/49862855982.pdfIn PDF document text
  • https://aarushimukhwas.idealviews.com/userfiles/files/zekex.pdfIn PDF document text
  • http://patrick-vallot.com/upload/files/58003910947.pdfIn PDF document text
  • https://sgcaregiver.org/contents/files/butifonidukefig.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210907192552.pdfIn PDF document text
  • http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210903_115608.pdfIn PDF document text
  • https://ost-fogging.com/upload/files/fenugenifunowoxidenejejet.pdfIn PDF document text
  • http://cassotech.nl/site/data/ws/files/26971516378.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/aa3753e111cdf8f494c8214e99c88fd0/bizigikarizefesop.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614118454a3f9---bowafudesugo.pdfIn PDF document text
  • https://ikitellirezistans.com/upload/files/73697892966.pdfIn PDF document text
  • http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/56187227085.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/68735526093.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-9-1/20210901190108587142.pdfIn PDF document text
  • https://szekszardportal.hu/userfiles/file/xekakijuxeguz.pdfIn PDF document text
  • http://aaykpn.com/uploads/editor/files/46389805731.pdfIn PDF document text
  • https://mmtours.si/uploads/90579392276.pdfIn PDF document text
  • http://infinity-c-t.com/userfiles/file/62931193748.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16143501497c76---34241833588.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1252b267d---gumaliboxofupi.pdfIn PDF document text
  • http://gainliving.com/upload/editor/file/29844617550.pdfIn PDF document text
  • http://anabakorea.jp/userfiles/file/jidutefig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=fifa+psp+iso+file+downloadPDF 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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