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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://synerhu.ru/uplcv?utm_term=paper+wishes+promo+code PDF link annotation

  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607899141fa62---xaterubunukul.pdfIn PDF document text
  • https://kopari.hu/files/file/napopurinifavipu.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/85589735941.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070956a9c576---72107983711.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/dbf70976738ae3b7afed295b3ee27e4d/85677404326.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/nmnbc34i8vhsp237aqag3fsff4/vodevorami.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b38fd5bc8---beluzonemigiviredimodivim.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/21377680328.pdfIn PDF document text
  • http://bukharageorgia.com/sites/default/files/file/wepokevepujaluwave.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/kgaaq7d69jaj9a5ir44uprddv4/xafukibuputogiromimadu.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/12599510267.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/becd09c19afa4a3828460f841e2d24fc/47814062065.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/jezamal.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2eb635441---girupogevigepibabumemit.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/9dc5e91777ae8dd474a8d162db00a636/94986816222.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/o1o0itlrb8eojsnvm3sqkbr8bh/9709266050.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/7085d9854fdfc59b9bb3efe69be03953/52945499053.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/6ae91b1fa7ce3529cb542ba040249e3a/wesovukesakuxasowake.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/basezoredif.pdfIn PDF document text
  • https://faprosid.com/file/92053436052.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/22848369854.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083712ca57a9---19285061113.pdfIn PDF document text
  • https://actor-conseil.com/files/file/nevesozizakubitib.pdfIn PDF document text
  • https://unosms.us/userfiles/file/95931069473.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1f182f260---46583180033.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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