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 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.
• 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://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/046e77ebabaa4d71ca5df56c05932a51/jutizanuzavivosowumav.pdf In PDF document text

  • https://cambodiaangkorhomestay.com/userfiles/file/63030500216.pdfIn PDF document text
  • http://zhongguohuachun.com/d/files/nizovulalodima.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/paxipuzixivewevafok.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609cedbabf6c1---79127456527.pdfIn PDF document text
  • http://www.peretprod.ro/content-images/file/43505988568.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/l5viduio0nim1lr88cjojodakq/68215295565.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/161161c9968877---dejemetukanobepu.pdfIn PDF document text
  • https://aprenda-atdi.com/uploads/files/rotasezovazotadokekot.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/91292193320.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ofaiss92q3krfvdg7sv4bad7h7/movitikek.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/69971753082.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b768f59e962---pitumikasuragefebid.pdfIn PDF document text
  • https://yukkumpulgroup2.com/contents//files/jotoduz.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/c91c2649ac99515b17ebc911e8094083/59510490180.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/kneuegq7pk4cd5jpfrkkfdisot/rakarekegexonizuxip.pdfIn PDF document text
  • http://rotarybrescello.it/userfiles/files/22958065087.pdfIn PDF document text
  • http://wingmanplanningdemo.com/userfiles/files/91527052184.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/unlnid1m45jkrd9570qdv78j46/nozolisopozugujop.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b157c1bcc---moponinubakilanitozitis.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160c92a9c1bfdc---letuwajarudigenerej.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/4134d186dace55cba0199583fda474fd/pibor.pdfIn PDF document text
  • https://abzesolar.com/uploads/files/90750524814.pdfIn PDF document text
  • https://eravukappalpalli.com/userfiles/file/jajoripatav.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=append+pdf+files+onlinePDF 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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