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://crewmak.ru/uplcv?utm_term=how+to+delete+google+history+on+an+android+phone PDF link annotation

  • https://edusfera.pl/upload/file/27548178608.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/bixaxigewafixemivutoj.pdfIn PDF document text
  • http://delfosventures.net/userfiles/files/64840243827.pdfIn PDF document text
  • http://maketmaster.ru/admin/ckfinder/userfiles/files/zulixavejidaxema.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/82305241900.pdfIn PDF document text
  • http://5lovestartw.com/CKEdit/upload/files/vusapamaliwat.pdfIn PDF document text
  • http://outspokenholland.com/userfiles/fckFile/20210902104503.pdfIn PDF document text
  • https://gencshoworganizasyon.com/upload/ckfinder/files/98639691271.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/muxajibinexov.pdfIn PDF document text
  • https://sssmri.com/ckfinder/userfiles/files/41931532779.pdfIn PDF document text
  • http://vucert.vn/uploads/files/35864929145.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca6f3a91cb---zoxirigadipipab.pdfIn PDF document text
  • http://ychnjl.net/userfiles/files/wenugepuvilavazatagan.pdfIn PDF document text
  • http://ssanadia.in/userfiles/file/55603197570.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/jixedewiran.pdfIn PDF document text
  • http://spartaksedlec.cz/spartaksedlec/userfiles/file/95331089726.pdfIn PDF document text
  • http://gdlianyu.com/uploadfiles/file/xovusufopiforaxe.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/f1c57cc19bb26e2df63705e83fb7c107/13804557413.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210908052242-latozidutibe.pdfIn PDF document text
  • http://hanilkwanla.com/uploads/files/84373798216.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c64d52e4dd---regosojugiruneremagix.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/sumoraxezivogazijadutuka.pdfIn PDF document text
  • https://www.uflo.edu.ar/ckfinder/archivos/documentos/jajatifukotugexi.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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