Malicious PDF — malware analysis report

Static analysis result for SHA-256 c213dfa8fa9cf324…

MALICIOUS

PDF

56.6 KB Created: 2021-02-23 20:44:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 268f5d297e6f12d839b91e6949ac36e0 SHA-1: 63d803393794e85195c36dad3ee94bacedbe6be6 SHA-256: c213dfa8fa9cf324f52a705522b3b4b91c2b996762848a16ec8edfa3911ec279
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs, with one specifically leading to 'seumenha.ru' and disguised with a lure about 'short christmas stories'. Heuristics indicate the PDF is part of a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or to download a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9907

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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
  • 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/strik?utm_term=short+christmas+stories+for+high+school+students PDF link annotation
    • http://static-get.top/61904215207v5x80.pdfIn PDF document text
    • http://salonlabs.xyz/velikitusuti5j5fq.pdfIn PDF document text
    • http://feedbacrnz.space/chesapeake_bay_bridge_traffic_report_real_timeb3pr8.pdfIn PDF document text
    • http://noxitafevinuv.22web.org/covalent_and_ionic_naming_worksheet.pdfIn PDF document text
    • http://rorezorejadij.iblogger.org/yanni_sheet_music_piano.pdfIn PDF document text
    • https://cdn.sqhk.co/vomifavafo/Egcggjc/forteller_games_discount_code.pdfIn PDF document text
    • http://zipogagu.iblogger.org/semufemivesemoba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371509/normal_601fc614a2f62.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471253/normal_60066e0751de1.pdfIn PDF document text
    • https://cdn.sqhk.co/bibikodazit/hfidSgi/set_caller_tune_new_ringtone_2019_apk_download.pdfIn PDF document text
    • http://winoorama.site/levey_jennings_report5v3iu.pdfIn PDF document text
    • http://matteset-spon.space/ncert_ka_full_form_kya_h5y80i.pdfIn PDF document text
    • http://nelevevupa.rf.gd/75776146668.pdfIn PDF document text
    • http://rilobun.rf.gd/business_code_of_conduct_template_uk.pdfIn PDF document text
    • http://xiwakutev.epizy.com/what_are_some_complex_carbs_foods.pdfIn PDF document text
    • http://zonidagaxa.epizy.com/android_architecture_components_basic_sample.pdfIn PDF document text
    • http://walefofu.rf.gd/daily_vehicle_inspection_report_template_ontario.pdfIn PDF document text
    • http://javasuk.epizy.com/80442179206.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.