Malicious PDF — malware analysis report

Heuristics 9

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://ip-kamera-rendszer.hu/ckfinder/userfiles/files/bigopetibanupadilidebop.pdf In PDF document text

  • http://pijntherapie.be/uploads/files/japivibirilawisatalolo.pdfIn PDF document text
  • https://ahirealty.in/admin/userfiles/files/puzakemigijufoj.pdfIn PDF document text
  • http://knowleangling.co.uk/ckfinder/userfiles/files/viperigonuzegujagawopepum.pdfIn PDF document text
  • http://demo-jesma.shopcloud.es/ckfinder/userfiles/files/1963157514.pdfIn PDF document text
  • http://ihanzao.com/userfiles/file/20210909065502_1240899602.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/18sj63ka2kfailkrdo7cqj0lk2/bubaxowelelopupelapovobod.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/zumofagenetudifariwepap.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/e81818b0d1c284f786f921dd61451329/56502621932.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/luzatajapolibelojosiwob.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/161364bdb98163---bolagataruz.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9981a82be---jurewejipemetu.pdfIn PDF document text
  • https://thefencedocumentary.ca/adminfiles/file/92877094378.pdfIn PDF document text
  • http://vektor28.ru/userfiles/file/lekotemufiluf.pdfIn PDF document text
  • https://eric-parnes.com/ckfinder/userfiles/files/mudakonev.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613096e3af3b4---3072056019.pdfIn PDF document text
  • http://s13cf5ef.alojamientovirtual.com/ropadefutbolbarata/userfiles/file/69103676700.pdfIn PDF document text
  • https://buddhaart.in/userfiles/file/74772534569.pdfIn PDF document text
  • http://marcus-1.com/FileData/ckfinder/files/20210907_1C9597D27617F7E0.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/35837861915.pdfIn PDF document text
  • http://gk-eventus.ru/admin/ckfinder/userfiles/files/duvevasilifapad.pdfIn PDF document text
  • http://studioassociatoemc.com/userfiles/files/39743033669.pdfIn PDF document text
  • http://daeryuhealthcare.com/ckupload/files/kefetivujitufijofimugugid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=hotstar+star+download+apkPDF 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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