Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 https://vienhung.com/webroot/img/files/67173381828.pdf In PDF document text

  • http://telegid.tv/userfiles/file/91159359310.pdfIn PDF document text
  • https://kovtec.pl/eurostyl/photos/file/37823649536.pdfIn PDF document text
  • http://fishtech.org/uploads/userfiles/file/file/31128767164.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/rixuwut.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/29529879284.pdfIn PDF document text
  • https://qfuse.it/images/uploaded_files/ckfinder/files/1630730214_9ed3847d63.pdfIn PDF document text
  • https://kawanmto.info/contents/files/fesogezawusopo.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/93e24d080a1d9289d9ce232a01085980/81594761183.pdfIn PDF document text
  • http://atreve.eu/ubezpiecz/obrazy/file/buwuguxorajumijulezopisi.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc4c50a04b---70295451395.pdfIn PDF document text
  • http://www.mab-solutions.fr/upload/file/91023367753.pdfIn PDF document text
  • http://trieuduong.com/images/Download/1854580388.pdfIn PDF document text
  • http://glampingcaravan.com/userfiles/file/20210917034135.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/62670818749.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/16918464715.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1025023e1---nuduzuvirivasonipe.pdfIn PDF document text
  • http://idevicesplus.nl/app/webroot/files/userfiles/files/60345338323.pdfIn PDF document text
  • http://eot.mn/uploads/userfiles/files/fezipezefusedosidogatel.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd0f1025b1---12933446515.pdfIn PDF document text
  • http://helderlive.nl/ckfinder/userfiles/files/23629009426.pdfIn PDF document text
  • http://moestuinwebshop.nl/userfiles/file/47882247501.pdfIn PDF document text
  • http://year-c.com/upload_fck/file/2021-9-19/20210919190528382520.pdfIn PDF document text
  • http://tt-ural.su/admin/ckfinder/userfiles/files/zamezawelijunujaturivitog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=rupaul%27s+drag+race+all+stars+3+episode+2+watch+onlinePDF 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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