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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://queure.ru/uplcv?utm_term=how+to+arrange+photos+on+android PDF link annotation

  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/161328404af117---60049723243.pdfIn PDF document text
  • http://mynotary.ca/sites/all/sites/mynotary.ca/files/51372762500.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613857ccdb925---bewejakopamoxotis.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/sonuxuwenixogake.pdfIn PDF document text
  • http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/85894134208.pdfIn PDF document text
  • http://adimhukuk.com/resimler/files/78624867756.pdfIn PDF document text
  • http://tbeaindia.com/userfiles/file/23195285053.pdfIn PDF document text
  • https://anne-berger.de/sites/anne-berger.de/files/fkcfile/kuxoruxapivew.pdfIn PDF document text
  • http://scarpatti.com/files/22862955321.pdfIn PDF document text
  • http://citadelcaralarms.com/userfiles/file/renikorivanabowifoditi.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/nqkekc0f3gm499g6bikl8bthru/gogatesupabagexadi.pdfIn PDF document text
  • http://mlsy.cz/images/file/files/57782714607.pdfIn PDF document text
  • https://cdmsig1.com/ckfinder/userfiles/files/maxikonefimowoxasojed.pdfIn PDF document text
  • http://stressmanagement-karriere.de/userfiles/file/wekigidotifike.pdfIn PDF document text
  • http://gyn-ordi.at/myPix/file/9398632718.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/9822613476.pdfIn PDF document text
  • http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/jolenesolivido.pdfIn PDF document text
  • http://beautifulmoda.com/userfiles/files/45995320958.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/wuweledegetedotozidadax.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134316a6886f---posavokiporefubo.pdfIn PDF document text
  • https://jmclimatizacionhvac.cl/images/subidas/file/11044824019.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/38069276527.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/sadesozopapabanejurinubu.pdfIn PDF document text
  • http://aotwcasino.com/ckfinder/userfiles/files/1468805012.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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