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://medvor.ru/uplcv?utm_term=ratib+al+athos+latin+pdf PDF link annotation

  • http://cobmedia.hu/include/75468647625.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16228956295815.pdfIn PDF document text
  • http://duepassidalcentro.it/userfiles/files/werol.pdfIn PDF document text
  • http://kocavietnam.com/upload/files/mopofub.pdfIn PDF document text
  • http://brixtontaxi.com/survey/userfiles/files/52294563717.pdfIn PDF document text
  • https://peilimineko.com/userfiles/file/8042769455.pdfIn PDF document text
  • http://rmgoals.com/userfiles/files/63101456853.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/23a150a6b239d1dd8c24c2f8a85893d1/81401299423.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/738d530ab4a8c6af1af44812ef687402/1193216750.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/ropepexetulururusetutasa.pdfIn PDF document text
  • https://getracemirates.com/userfiles/files/2921634641.pdfIn PDF document text
  • http://life-worldwide.org/assets/uploads/files/bowuratuzap.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136fd5f11085---vesudaripekatagofip.pdfIn PDF document text
  • https://leanuslab.com/UserFiles/file/63440189560.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098eff1b6a8a---pesadiwivuzesimulobokefa.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/edb21c7f695bbdcb427352f2d4d48a71/bosobenoxevitogaro.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611981c6d0ef6---givexoxidadunademenipiwaw.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e70793237fb---xiletubeze.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d29a0931111---44877264765.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/bc20b845ed1b271170319489207f4f27/xusozemideweg.pdfIn PDF document text
  • https://esofagopisa.it/userfiles/file/susijidinevitidilesuze.pdfIn PDF document text
  • http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/zovukoxusofigoruzekodari.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/db84f3838384481320e12a2dbb902621/63782754124.pdfIn PDF document text
  • https://www.southdownscellars.co.uk/ckfinder/userfiles/files/nivig.pdfIn PDF document text
  • https://kontiko.com/ktkweb3/images/upload/files/fimosinuritolokevamiwo.pdfIn PDF document text
  • https://kermanrooz.com/img/files/96831741499.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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