Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://nomylo.ru/uplcv?utm_term=el+inversor+inteligente+un+libro+de+asesoramiento+pr%C3%A1ctico+pdf PDF link annotation

  • http://csc0351.com/userfiles/file/20210619183656_hzlhy0.pdfIn PDF document text
  • http://kolbiko.com/images/uploads/file/refulumuxijuwire.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/files/files/12628645325.pdfIn PDF document text
  • http://haphadoor.com/upload/files/27696760670.pdfIn PDF document text
  • http://kfnmsz.com/upfolder/e/files/20210802040000.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/rsr8bsec3hce1jqpe5ud1dl567/lumerow.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16127084d71c47---6371969714.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efdeefcb47f---5585343671.pdfIn PDF document text
  • http://chingyi.tw/userfiles/files/55860366953.pdfIn PDF document text
  • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/btf0p9t80e5ng5q95ngerb2gpd/79098897429.pdfIn PDF document text
  • https://yuss.it/file/69134238232.pdfIn PDF document text
  • http://escritacontabilidade.net/fotos/news/file/nafigilijo.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/41665184017.pdfIn PDF document text
  • http://flamefitnessstudio.com/cewit/images/file/63388830401.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/a66ecb1c2083734239d86e02b5146eb4/xoparawegusofereworisum.pdfIn PDF document text
  • http://palazzodiaz.com/userfiles/files/raritagusexojimo.pdfIn PDF document text
  • http://seghers.kr/data/editor/file/16777627906126c87b7e6fe.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/wozobumirixidik.pdfIn PDF document text
  • http://vwtint.com/userData/board/file/42451373366.pdfIn PDF document text
  • http://oldtimerclub-thueringerberg.at/images/file/wesejojikuvumovopuzorub.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/30574535123.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/da5ccf2f91edd1dc10c3c2ea32d8d038/28762942299.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/ruzuwelolejetiwex.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114b3ba0fe19---gedekowaruvodi.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161302ffc5a45e---21964163205.pdfIn PDF document text
  • https://mollis.rs/files/62162976770.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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