Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://dafemum.ru/strik?utm_term=factorytalk+view+site+edition+installation+guide.
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• 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://dafemum.ru/strik?utm_term=factorytalk+view+site+edition+installation+guide PDF link annotation

  • http://sovetnik53.ru/940505484447kha2.pdfIn PDF document text
  • http://sanamikegimelab.22web.org/98372216652.pdfIn PDF document text
  • http://karaulovlife.site/96200857109k8cdz.pdfIn PDF document text
  • http://medtechnika1.ru/35708066562663nw.pdfIn PDF document text
  • https://cdn.sqhk.co/felolavap/hdijA5w/modern_warfare_server_lag_2020.pdfIn PDF document text
  • http://wupemokabate.scienceontheweb.net/posaberapaku.pdfIn PDF document text
  • https://cdn.sqhk.co/julubesaf/Lhi1vjc/91106898448.pdfIn PDF document text
  • http://rexuwoxaga.sportsontheweb.net/applied_linguistics_definition.pdfIn PDF document text
  • http://fawaxifiwuzodil.scienceontheweb.net/clinical_sports_nutrition.pdfIn PDF document text
  • https://cdn.sqhk.co/zoluxoni/yhfgcji/suditifama.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://593775e3-fc25-4f11-af5c-463a5269e33a.filesusr.com/ugd/4cd51e_bdef512a143e41eaa74639bdd3236b73.pdf?index=trueIn PDF document text
  • http://mutidulofof.epizy.com/chrome_os_for_pc_32_bit.pdfIn PDF document text
  • https://90ff81fc-98d9-4e53-96a3-aaa5c1c2042e.filesusr.com/ugd/bb5aff_2909c13f7114479c9f00ecadcb7df4de.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/povodijirig/how_to_install_a_lux_tx9600ts_thermostat.pdfIn PDF document text
  • https://s3.amazonaws.com/vapite/all_power_10000_watt_generator_manual.pdfIn PDF document text
  • http://relumewamamit.rf.gd/bepofiretokerevem.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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