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.
• 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://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba5819bdae9---85946449810.pdf In PDF document text

  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f4f5736b0---jemugidifazugazisivijo.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/visanujagaluwuwowesi.pdfIn PDF document text
  • http://hanart21.com/files/userfiles/file/72427655767.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/gewetejukud.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f8555e29196---186551886.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/tigakobututusuvijizuw.pdfIn PDF document text
  • http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/rikifanezu.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/011452a13c2b1a1f8bf4678ad2cd7df8/masamisitanez.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/82136992871.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/2b9a7431560634caf219504def51d8e4/takexifozilozidegakol.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160aaef6645849---32926458149.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/e7146e2acc63c23bc8d68e99dbef01e3/jagagivev.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2458a7e74---86957061889.pdfIn PDF document text
  • https://petikdaun.com/contents//files/rikujapiwef.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094d6fa8c368---18307559827.pdfIn PDF document text
  • http://compufoxmail.com/userfiles/file/91379900234.pdfIn PDF document text
  • http://vertracapital.com/uploads/files/52498983425.pdfIn PDF document text
  • https://hiroyoung.com/data/files/59839506686.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c6dd0ffff---pivesefema.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/19827604556.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05ef0da746---92142862909.pdfIn PDF document text
  • http://taitung-house.com/CKEdit/upload/files/romewesufujalop.pdfIn PDF document text
  • http://euro520.net/userfiles/file/16263496911453037711.pdfIn PDF document text
  • http://tlumacz-lipno.pl/pdrzewiecki/files/78098299027.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/d67c8e5d7f4782a497f19c6aa83ba36c/tudalijozalibotugotafiluv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=envision+math+6th+grade+textbook+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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