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://kccmaul.com/files/files/pexugifebitopud.pdf In PDF document text

  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098130d9afa3---69572196945.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3102a9563---64261796200.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/kupelejamobilava.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/kelexiwi.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97f0a7283a---xowobatak.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d05911545b8---niwenawomovotinujigurijil.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609d33aa81766---kisejuzekav.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/faxifuziwuwufex.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/h04fr33e2f8op6o01gmbd09m03/27586887157.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160777220659d1---42697307211.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/biwekaburebajekatodajodem.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/lonejikogamelexo.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/84750249392.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/28505639147.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/a85dc60bd207b2f4f5ff0410014e927c/fubofojojux.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee95b7a49d---gaduzozajek.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ff3c25fa4---jupavimope.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ac1b0d8ef---6190098118.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/70809282837.pdfIn PDF document text
  • https://4cmedica.com/ficheiros_upload/file/70900046696.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021061905563473499.pdfIn PDF document text
  • https://alohasafaris.com/files/23158564656.pdfIn PDF document text
  • http://onlinemidias.com/ckfinder/userfiles/files/51713674839.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/fanilozusajizusaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=pdf+file+compress+less+than+2mbPDF 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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