Malicious PDF — malware analysis report

Static analysis result for SHA-256 40ccada9c8f0970b…

MALICIOUS

PDF

35.0 KB Created: 2021-06-19 00:58:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 3be24879f5e7d47278b2a9c802a8f882 SHA-1: aa4381d590c4c2b0c7e8ffbd9475e322d449e6a2 SHA-256: 40ccada9c8f0970b8f8cfd270ff871591c0b2a7dfe678c45af487e656cad4463
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that are designed to lure users into clicking on them by promising game hacks and free in-game currency. The primary link, http://netcdn.co/app/431946152/what-can-you-do-with-cheat-engine-on-roblox-game-hack, is flagged as a redirector for game hacks. The document body and heuristics indicate a clear intent to drive users to external sites, likely for phishing or malware distribution. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/what-can-you-do-with-cheat-engine-on-roblox-game-hack PDF link annotation
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-ninja-animation-roblox-hack_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/hack-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/minecraft-xbox-one-free_GM479516143.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-roblox-clothes-girl_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/coin-master-coins_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/what-is-exploiting-in-roblox_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-obc-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/coin-master-free-rewards-link_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsnparung.sch.id/__statics/gudangsoal/files/free-robux-without-verification_GM431946152.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_off000030e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E2 22192 bytes
SHA-256: de815205525669cceef82ab3883b15aa7180faa67c891aac7485cb266715ff0c
font_01_sfnt_off00006234.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6234 19544 bytes
SHA-256: 8a718c7785acbf7e79cccb420a169817ee9b84e525d46b8606f70249736bdefe

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