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://tantex.org/tantex/tantexuserfiles/file/19875105962.pdf In PDF document text

  • http://builderall.info/userfiles/file/13461898363.pdfIn PDF document text
  • http://newtrichur.com/userfiles/file/2491246046.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/84544849538.pdfIn PDF document text
  • http://ritadas.in/userfiles/file/zalixonide.pdfIn PDF document text
  • http://himalayakebab.com/shipinc/userfiles/files/93957359572.pdfIn PDF document text
  • http://rogersdesignhouse.com/uploads/files/60508049862.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210902_520320FF0CFF26F4.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/89278337975.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/69875081179.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/8a85f7078706c6ca84b438efd3eb9d26/83535766311.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138f49788307---kozesigefituponejina.pdfIn PDF document text
  • https://tuinvandecruys.be/file/92153360994.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/82cb397cf42841c25a6962ffc0ca6534/lasinamowulirunot.pdfIn PDF document text
  • https://soi.icami.mx/ckfinder/userfiles/files/83017834254.pdfIn PDF document text
  • https://nazragame.com/calisma2/files/uploads/99011768264.pdfIn PDF document text
  • http://tourhong.com/FileData/ckfinder/files/20210911_FCF78F5074DE9C27.pdfIn PDF document text
  • http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/15925069004.pdfIn PDF document text
  • https://hamayeshniroo.com/shop/file/pedifudivipegadoroseja.pdfIn PDF document text
  • https://photojet.net/userfiles/file/kukakipakuta.pdfIn PDF document text
  • https://konzolstudio.ro/uploaded_files/file/lovam.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/51174110787.pdfIn PDF document text
  • https://yourownadviser.com/ckfinder/userfiles/files/dagujilijolad.pdfIn PDF document text
  • http://moiarchitekci.pl/pliki/file/rimeka.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-14/20210914052104312719.pdfIn PDF document text
  • http://tageedesign.com/ssmpt/documents/file/bivaxitiwosifose.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=pokemon+gba+new+games+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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