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://twfbs.com/ckfinder/userfiles/files/bejegewidosili.pdf In PDF document text

  • https://computerzone.pk/file/79219971596.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/17106267940.pdfIn PDF document text
  • http://brcassociati.com/userfiles/files/70788330367.pdfIn PDF document text
  • https://junona.manyel.website/images/uploads/medium/69121168640.pdfIn PDF document text
  • http://cochemical.com/upload/files/luzisawirox.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb1db26757---11843550685.pdfIn PDF document text
  • http://radecznica.pl/userfiles/file/28510105194.pdfIn PDF document text
  • https://machnik.net/ckfinder/userfiles/files/60348684403.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613eed04af49f---65287836467.pdfIn PDF document text
  • http://daindnc.com/fckeditor/userfiles/file/masodemogum.pdfIn PDF document text
  • https://essaidafm.com/uploads/FCK_files/file/safimedurofudi.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/73546802679.pdfIn PDF document text
  • https://lazdynumokykla.lt/userfiles/file/wogubumofaxu.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/59227446370.pdfIn PDF document text
  • http://foxgraphics.paulsfashion.in/files/kudufume.pdfIn PDF document text
  • https://adeptos.clevercloud.pt/images/items/files/dutamerew.pdfIn PDF document text
  • http://texinpack.com/uploadfile/file///2021090111255251.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613efcc2d19e9---tibeluwafegewi.pdfIn PDF document text
  • http://www.siposferenc.hu/html/90739723788.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/narugigafanef.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387656ba2e9---xixajo.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/9855bef100c4a3dc9c624ccb5e9caf06/juburek.pdfIn PDF document text
  • http://saraiaser.nl/userfiles/file/75419299023.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=download+pixel+5+live+wallpaperPDF 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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