Malicious PDF — malware analysis report

Heuristics 7

• 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 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://archism.ru/uplcv?utm_term=good+words+beginning+with+n PDF link annotation

  • http://terralis.eu/catalogue_dynamique/file/7315618064.pdfIn PDF document text
  • https://curewelldiabetes.com/userfiles/file/puzujuzukikimilofitaxu.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/files/20636569245.pdfIn PDF document text
  • https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/8144122638.pdfIn PDF document text
  • https://newcar-rental.com/uploads/files/202109131306402676.pdfIn PDF document text
  • https://alev.az/userfiles/file/9351870693.pdfIn PDF document text
  • http://vejwun.cz/images/77488149998.pdfIn PDF document text
  • http://universalgroupautos.com/files/others/42937984010.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/09/03/file/20210903_073015_159.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/binal.pdfIn PDF document text
  • http://rabotatver.ru/userfiles/admin/65644777928.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/ab71d9ae6a4003e3c9e75dd8191fb40e/4751919966.pdfIn PDF document text
  • https://irish-setter-zucht.info/ckfinder/userfiles/files/fujizenebubexu.pdfIn PDF document text
  • http://transportdiverse.com/uploads/files/jopuwemajojopitaturunuk.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/t66tk5lct5otkqj71ms3ngola2/37403342961.pdfIn PDF document text
  • https://clinicaalcantara.es/sites/default/files/userfiles/file/28695298835.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141e79fa1134---rudofisofirekijunezem.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/41476509021.pdfIn PDF document text
  • https://terminal.hr/userfiles/file/sosakawofovusiwaremibarid.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/1c6ea5f87f59715d359d513a2fb3cef6/94542854132.pdfIn PDF document text
  • http://bjjiffy.com/upload/bafoxozozuxu.pdfIn PDF document text
  • https://zegaoyun.com/calisma2/files/uploads/43381609183.pdfIn PDF document text
  • http://annabarons.lv/files/files/86270963861.pdfIn PDF document text
  • http://wolfpackbasketballacademy.com/content_docs/93735168032.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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