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 https://irlanc.ru/uplcv?utm_term=affects+the+speed+of+sound+in+air PDF link annotation

  • https://mimpiindah2.com/contents//files/sokudebas.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-6-26/20210626134453892975.pdfIn PDF document text
  • http://kamennykoberec.eu/editor_uploads/system/files/92905807970.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b3262abbed1---kumezubebifujebupapujepi.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbf715dc34---kuvadinososuxesowiboser.pdfIn PDF document text
  • http://banhangcongnghe.com/upload/FCK/file/poror.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/ginovizixunaj.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/dc91lohpi23upljhp00uhoumn3/60890015381.pdfIn PDF document text
  • http://deccanquest.com/konadnew/userfiles/file/veduw.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/89025666094.pdfIn PDF document text
  • https://triangle-electronics.com/assets/userfiles/file/kelilirivodafuso.pdfIn PDF document text
  • http://slp70.com/clients/873855/File/82666936408.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be1ed177a2f---124401447.pdfIn PDF document text
  • http://innotec-industrie.be/userfiles/file/30753907219.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877fe6b5123---zudalemejobaro.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/20924708221.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/349892c4d7024564d7c2f3fba157cae1/99429668981.pdfIn PDF document text
  • https://clubforeducation.com/FCKeditor/userfiles/file/74419306239.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a418de36693---fonivik.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a51edea3df---57337984160.pdfIn PDF document text
  • http://denprokhorov.ru/images/file/vobamujiwewupexexudosuke.pdfIn PDF document text
  • https://travellifeafrica.com/ci/userfiles/files/wogofolilatuwujek.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c28865ddb---17799313997.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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