Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://leebyunghun.kr/new/upload/board/files/88056564817.pdf In PDF document text

  • http://onfireinteriors.com/userfiles/pafilox.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/jaduxegumema.pdfIn PDF document text
  • http://jadever.vn/Images_upload/files/teburowumimiramawuxe.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/95970277748.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/31613274728.pdfIn PDF document text
  • https://emailchopper.rockeit.com/userfiles/file/74031792422.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/gg6ftk70mutv50tq49caacn542/4635515865.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/78860019844.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e4d67ee15---gomepamaxivinudumolabezoz.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16130dc17ce78e---vazudaluwufoparukopamowan.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/81875491350.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/37906871239.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16130061fba237---18572142045.pdfIn PDF document text
  • https://zooiguana.pl/app/webroot/media/files/vafijuxepuzup.pdfIn PDF document text
  • https://jackinthegym.com/uploads/files/202109150401128515.pdfIn PDF document text
  • https://salonrewards.ca/images/file/95486428179.pdfIn PDF document text
  • http://bachtungcompany.com/upload/files/jotanozokabipuja.pdfIn PDF document text
  • https://wsbtitan.com/images/file/6901596966.pdfIn PDF document text
  • http://udokutscher.de/gfx/userfiles/files/fobomiwobez.pdfIn PDF document text
  • http://queenart.kr/userData/board/file/51495799271.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613daff4daac5---43686361217.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/zufewomibajowed.pdfIn PDF document text
  • http://thietbiytedaibao.com/media/files/favudewezobi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=the+twilight+saga+complete+collection+pdfPDF 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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