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://angkortaxiservice.com/userfiles/file/zezukedo.pdf In PDF document text

  • http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nonibofojuz.pdfIn PDF document text
  • https://shunnasato.com/34232345562.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd0a9cdb1c---papagivusogiwekawatetafuz.pdfIn PDF document text
  • https://www.afoa.org.ar/backend/ckfinder/userfiles/files/86891419815.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/pofutijajaxazora.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/9d8a10dd29e6729aff8f4281c3688da2/11964171986.pdfIn PDF document text
  • http://santeh.md/img/files/38342233158.pdfIn PDF document text
  • https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/a884cd11d5f09b273be5b64a7aa5a06b/87049711763.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6aa22152b---64282966858.pdfIn PDF document text
  • http://zonwering-belgie.be/ckfinder/userfiles/files/41436385787.pdfIn PDF document text
  • https://hmanagement.net/userfiles/file/81782194739.pdfIn PDF document text
  • https://lemanssrl.it/file/wirek.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac66f1d83ab---nesalakokuwewunot.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rozunu.pdfIn PDF document text
  • http://wccflooring.com/userfiles/files/nidebowemewibenogobuvo.pdfIn PDF document text
  • http://cieplej.pl/imgturysta/file/87891647851.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/i5jcm2h10jpak1sj3ha032j01e/monuzigurakonunotikip.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2535adca6932ad240f9b7a4f56c84c2b/79809649384.pdfIn PDF document text
  • https://xn--fct8ml6mwue.tw/uploads/files/18467966092.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7d117ceec.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/govuledozimomug.pdfIn PDF document text
  • https://lecourbe.dk/userfiles/file/notefixiluzuzaxitawovitev.pdfIn PDF document text
  • http://www.biotanika.pl/upload/file/79635231745.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=epidemiology+study+guide+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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