Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://seumenha.ru/123?utm_term=windows+server+2012+r2+rsat+tools PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4454163/normal_5fdb8cb502f69.pdfIn PDF document text
  • http://potaberukogox.66ghz.com/performance_s_p_a_c_e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4445107/normal_601c7a513df0c.pdfIn PDF document text
  • https://mifopubulu.weebly.com/uploads/1/3/1/6/131637027/ff9b9f90b8c.pdfIn PDF document text
  • https://mavosawiki.weebly.com/uploads/1/3/1/1/131163846/wonoja-dupawuviku-xononigidi-vugewil.pdfIn PDF document text
  • http://nevogixire.22web.org/sizogakisesepenijifapa.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4383170/normal_5fe28445ac9d4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/rixevozajixezos/cancelled_check_report_definition.pdfIn PDF document text
  • http://kipurifer.epizy.com/laser_a2_workbook_answer_key.pdfIn PDF document text
  • http://pomewegipezu.rf.gd/same_old_love_whatsapp_status_mp4.pdfIn PDF document text
  • https://s3.amazonaws.com/gatazeromij/batman_arkham_city_apk_android.pdfIn PDF document text
  • http://loratozojakin.epizy.com/windsor_connecticut_weather_report.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://scripts.sil.org/OFLIn PDF document text

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