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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 https://chcial.ru/uplcv?utm_term=causes+of+sudden+cardiac+death+pdf PDF link annotation

  • http://sddshchb.com/userfiles/file/Fl202108252056355655.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/k86rpubf5b6q4c63cac66nu2b1/wonofefago.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/fetez.pdfIn PDF document text
  • https://wickedcheesy.com/images/file/kenolabewiser.pdfIn PDF document text
  • http://jmvlpslimited.com/ci/userfiles/files/87711877627.pdfIn PDF document text
  • http://jl-vacuum.com/upload/files/80828210040.pdfIn PDF document text
  • http://bhttourist.com/upload/fckimagesfile/xevafexodotur.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad514ee16c---97072314986.pdfIn PDF document text
  • http://rsst77.ru/upload/files/xevuwegilunijim.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160995e1bc4f02---27994520527.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/jl1kvk9bae7ca0h5vogat958j5/wizasafebojamexepe.pdfIn PDF document text
  • https://khangle.vn/uploads/images/files/76078046633.pdfIn PDF document text
  • http://archissimo.eu/userfiles/files/xomenemalugurupizelo.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b54db844c4---60490011304.pdfIn PDF document text
  • https://kingyao.com/uploadfiles/files/20210719_012036_1700.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a77b694ec---66946894120.pdfPDF link annotation
  • http://pwr-tech.ru/userfiles/file/tugozab.pdfIn PDF document text
  • http://designklasse.de/ckfinder/userfiles/files/disebutaja.pdfIn PDF document text
  • http://rfaaa.com/UploadFile/file/20210808191500960.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/2021062415024577225.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d48126944---97965544109.pdfIn PDF document text
  • https://fidelishospice.com/ckfinder/userfiles/files/bowatojegobipatavisotosow.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/gupepasapejubulu.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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