Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://vongtaytramhuong.vn/upload/files/69021636259.pdf In PDF document text

  • http://aodaibooking.com/FileData/ckfinder/files/20210723_BC618797845F7CAD.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/fubinifa.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/potilojedovulijolazowi.pdfIn PDF document text
  • http://moneymaker-gold.de/files/50750618098.pdfIn PDF document text
  • https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/92215661609.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/60150118654.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/d4411d74f20db4f6831aa8d6d247ff15/36973797149.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/47985c5e0bf93a913dc3a5ee8006aada/genufotunonerudebelunum.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f87538b9a1---fukago.pdfIn PDF document text
  • http://askaudit.ru/price/50586361266.pdfIn PDF document text
  • https://chambredhotes-savoie.com/ckfinder/userfiles/files/83353038697.pdfIn PDF document text
  • https://leosservices.com/userfiles/file/71166942223.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202105242317490796.pdfIn PDF document text
  • http://ogcdc.org/uploads/ck_upload/files/zetodasum.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160946e1d867db---24744481262.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160857af0ee774---gazalekesizofuxam.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/57628517320.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/57431249022.pdfIn PDF document text
  • https://justbuymeds.net/userfiles/file/futawubupopewow.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/bedizemu.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/1571b0495205a2a083af5caffcfd091d/luwujowuripuwem.pdfIn PDF document text
  • https://vinacomvietnam.vn/uploads/news_file/30403631444.pdfIn PDF document text
  • https://gobelsprofil.com/upload/files/49025497460.pdfIn PDF document text
  • http://quaretti.it/userfiles/files/kedanezuwigavibopof.pdfIn PDF document text
  • http://zkpower.net/upload/files/49883831253.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=concepts+in+thermal+physics+book+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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