Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3be6111089e3cbc…

MALICIOUS

PDF

55.8 KB Created: 2021-02-25 23:50:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 43245186babe25dda13d32b983d73637 SHA-1: 2020b3895712ce9e720ef6018658f305157c2e03 SHA-256: e3be6111089e3cbc0511929b38cb1878e8556bbbb54573d1e4e36d0c78498e9a
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9785

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://jacksth.ru/award?keyword=michigan+child+support+guidelines+2019 PDF link annotation
    • http://karnaval.host/d_d_character_sheet_ipadv8e2s.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368962/normal_5fd72c44cbeeb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485014/normal_60222ec859261.pdfIn PDF document text
    • http://newyearshop.site/kidugaburora8hauk.pdfIn PDF document text
    • https://cdn.sqhk.co/fadujiwexi/hbjejqI/32250624218.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452834/normal_600b250ebc7d0.pdfIn PDF document text
    • https://cdn.sqhk.co/sesizame/ihhjcs7/85399141062.pdfIn PDF document text
    • https://cdn.sqhk.co/fegadosijete/j1Irb4I/pba_all_star_clash.pdfIn PDF document text
    • https://cdn.sqhk.co/tajiwikiter/SVIKAii/cockroach_smasher_by_best_cool_fun_games.pdfIn PDF document text
    • https://cdn.sqhk.co/komagiju/9hgiPgd/gunship_battle_helicopter_3d_game_download_for_pc.pdfIn PDF document text
    • http://pannochki-art.com/50499561887ztcck.pdfIn PDF document text
    • http://domastmsk.space/powerpoint_themes_free_for_windows_10s5qq7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420927/normal_5fd8838411ebb.pdfIn PDF document text
    • https://s3.amazonaws.com/rimepusox/how_much_is_a_big_round_bale_of_hay_cost.pdfIn PDF document text
    • http://wumevagijez.epizy.com/latale_w_treasure_hunter_guide.pdfIn PDF document text
    • http://kuxixatizoxop.epizy.com/20306706587.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/digestive_system_review_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/xovajukoxin/katesukavozeremifosi.pdfIn PDF document text
    • https://s3.amazonaws.com/tixeligufokup/video_through_instagram_link.pdfIn PDF document text

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