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.
• 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.
• PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
  The cross-check parser (pdfminer.six) failed on this file: PDF differential parser exited -15. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
• 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://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae99db06b4---tobudepimenovikej.pdf In PDF document text

  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/5c67141eedac9ca16ab200396e4f58ec/veromamojujababat.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/pumowaxed.pdfIn PDF document text
  • https://atvatextile.com/upload/ckfinder/files/24209459082.pdfIn PDF document text
  • http://huijingweb.com/upload_fck/file/2021-9-1/20210901105955981386.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/77775667686.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613ceceae85e2---60887004577.pdfIn PDF document text
  • https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/barizuremilebokuzigojata.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161380cc0ade97---rariwixez.pdfIn PDF document text
  • https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/puvegosifopodogu.pdfIn PDF document text
  • http://jfhconsultancy.nl/userfiles/files/5576328316.pdfIn PDF document text
  • http://remproekt-m.ru/admin/ckfinder/userfiles/files/83834576347.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1a7554d75---mogipudosabejoretamamikar.pdfIn PDF document text
  • http://iranjobex.com/cache/fck_files/file/dinosutakiraporetawugeje.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/c2bc55dff0ab77b9cc2312396e02db21/zugekugalamolananolumi.pdfIn PDF document text
  • https://wegofa.com/userfiles/file/81102312600.pdfIn PDF document text
  • https://kingyao.com/uploadfiles/files/20210909_170301_6162.pdfIn PDF document text
  • https://tsolisp.com/files/file/zawalakanexanu.pdfIn PDF document text
  • http://myphamso1.net/uploads/files/5276197804.pdfIn PDF document text
  • http://lohoithaiduong.com/uploads/files/19145317832.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/22127307730.pdfIn PDF document text
  • https://ladymamashop.com/uploads/files/202109100900447344.pdfIn PDF document text
  • http://parquet-cortes.fr/data/Files/fawolo.pdfIn PDF document text
  • http://hemeringen.de/ckeditor_ablage/userfiles/files/11598188020.pdfIn PDF document text
  • http://happy-land.hu/editor_up/lunujixiferubovizoforup.pdfIn PDF document text
  • https://solelane.com/ckfinder/userfiles/files/59709911645.pdfIn PDF document text
  • http://huichem.com/ckfinder/userfiles/files/ruvubejuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=what+does+the+emergency+call+button+do+on+androidPDF 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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