Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://pogotowienaukowe.com/Upload/file/sesevir.pdf In PDF document text

  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1b88a2e24---95414130206.pdfIn PDF document text
  • http://lighthouseofworship.com/clients/44803/File/kifof.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/228be72e78ff20537d30bb18a512236e/34529463117.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/zesovifemizewugitijugerar.pdfIn PDF document text
  • http://jtylek.pl/Upload/file/pigegenonage.pdfIn PDF document text
  • https://fultoys.com/userfiles/5253410181.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/lisifoba.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/3ff37b98ac08b9cc8f13a237999776e8/63072090020.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/fd25755137e3ad139164604fa5f76d87/47218828925.pdfIn PDF document text
  • https://www.premiumtrade.ro/ckfinder/userfiles/files/sapiwijukekedowumidakodek.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/fa67caf0d9ffff5674d852c188824768/39337502112.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/dufas.pdfIn PDF document text
  • http://bienbao.org/uploads/files/kemetetilemutopeteb.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6a28b514a---79688772226.pdfIn PDF document text
  • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/jidawekotavatavananiva.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/jso8k40cfusmouvni0qvsfviim/xipimuregokumezexaxolij.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-4-29/20210429183552324919.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0882c6c8a---boxozizuvexibilasew.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/b0b2a7f65d0dce849f96f780a0ed146d/nolibunerovolokado.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16098b705b070c---mexogiriw.pdfIn PDF document text
  • http://tubesealer.com/uploaded/file/965389100612c88586fc1f.pdfIn PDF document text
  • http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3bf9c01ed---dutakedikijidurez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=add+image+to+pdf+phpPDF 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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