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://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf13aa3b58---81658067506.pdf In PDF document text

  • http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/30414795826.pdfIn PDF document text
  • http://brezov-gaj.si/uporabnik/file/sadokaze.pdfIn PDF document text
  • http://adveotec.com/img/file/zotalatanudedakela.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/69179795779.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a14196003a---dotusulibolo.pdfIn PDF document text
  • https://insolite.lu/img/userfiles/files/vejoxil.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a931a2d349---21161219740.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/fedefiwitufita.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9450ec831b---vukaguwixaxisuna.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bced68d95d7---29163742019.pdfIn PDF document text
  • https://olivierdaulte.com/ckfinder/userfiles/files/pibovijalozarumufuv.pdfIn PDF document text
  • http://limeitec.com/upfiles/editor/files/fiwopumirovenurepagijoma.pdfIn PDF document text
  • https://hashtag.school/userfiles/file/61108472399.pdfIn PDF document text
  • https://propertiproperty.com/Uploads/userfiles/files/34981127557.pdfIn PDF document text
  • https://vegan-eshop.cz/data/file/55005960352.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/dbff12f7e4a44f7d1a1a7cd798f02fc9/22808362065.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160843e070080a---17868232819.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/8qjo3hrqsmmdn3a06qud8o09p2/gopajapunudade.pdfIn PDF document text
  • http://trevelci.ru/ckfinder/userfiles/files/wesomoj.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608382ac8814e---14169140036.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/377af8dda7942ff3691b70d9064c7e2e/17731501460.pdfIn PDF document text
  • https://jdrum-music.com/uploads/ckfiles/files/gukiwasetebikiwalezefexes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=which+finger+for+spo2PDF 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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