Malicious PDF — malware analysis report

Static analysis result for SHA-256 7825e14719ebaedb…

MALICIOUS

PDF

32.8 KB Created: 2021-07-20 17:56:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: a2f709ac98a4e04ee927a450d15eabed SHA-1: 5c76febdfaf4d586c2a51c372aa839c77b371733 SHA-256: 7825e14719ebaedbb84d41e43b04ea0eb36eb411290f364641f278f3297bf1ff
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document employs a common lure of 'free game hacks' and 'account generators' to entice users. It contains an external URI pointing to a suspicious domain, likely serving as a redirector to malicious content or a phishing page. While no scripts were directly extracted, the PDF structure and embedded links suggest an attempt to drive users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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
  • 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 http://netcdn.tw/app/835599320/free-tiktok-accounts-and-passwords-game-hack PDF link annotation
    • https://opac.heritagejkt.org/repository/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/minecraft-realms-free_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-tiktok-likes-trial_GM835599320.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6F 22844 bytes
SHA-256: 75e0e20eca50353eeb60826596ec85dfd744a749ad5d403e8f75fde0a929233d
font_01_sfnt_off00005e07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E07 18316 bytes
SHA-256: bbd6b533d869a7a089323291600526adae2a42e90d5e0cf5c01053f7505e7d8b

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