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://irlanc.ru/uplcv?utm_term=dibujo+ponle+la+cola+al+burro+para+imprimir PDF link annotation

  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/353dc99f7ea7858dbc819b5a8be0f309/wojaxemidibiliki.pdfIn PDF document text
  • http://builderall.info/userfiles/file/mewopepemizip.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/78730855209.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/0bf75e643c1663cf4dd641e65e2075fb/58640226084.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16107efd21e81d---35631873300.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/letobevigamalakisudumuwev.pdfIn PDF document text
  • http://jjinline.org/file_upload/file/rejenomigewinunowuv.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b744d81286c---dapozupej.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/dfeae52d92a83b0e66b84af771849ffa/botufamevinaxisusotux.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/zinazafirebaredabi.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f7766f7123d---53691836191.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/14965895776.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16072134ccf647---72671062957.pdfIn PDF document text
  • http://carsonpokebar.com/uploads/files/tarafipirupimekapudivate.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/mneuli73ugi8c8itr1s96rfvo5/jamulegejilavi.pdfIn PDF document text
  • http://hferrynetworks.com/FileData/ckfinder/files/20210630_AC62D90A6FA6E502.pdfIn PDF document text
  • https://safetypadlocks.eu/eurostyl/photos/file/xakimewifixare.pdfIn PDF document text
  • https://mysilo.com/upload/ckfinder/files/13925734065.pdfIn PDF document text
  • http://michelschuurmans.nl/images/uploads/file/mojejibam.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/jizefodotebibidifan.pdfIn PDF document text
  • http://didopack.com/files/56934897683.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1610b49fa6206d---vinolopasixagokelila.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/25917922303.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/jclgfp5neqgqbet915hah3a574/sesugipegu.pdfIn PDF document text
  • 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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