Malicious PDF — malware analysis report

Static analysis result for SHA-256 179e14de9e6a8b74…

MALICIOUS

PDF

34.4 KB Created: 2021-06-20 08:47:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 858c52ed7593829ad18872495df2659f SHA-1: a97d002680775d9d42a74a70edb5e136ad43fc1b SHA-256: 179e14de9e6a8b74104df543b139af5ac57cfaf12e06b2da790450d635d4452c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/how-do-u-get-free-robux-without-paying-game-hack PDF link annotation
    • http://slim.sisminkada.net/repository/free-admin-commands-in-roblox_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/minecraft-free-online_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/minecraft-reach-hack_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-in-roblox-july-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-hacks-iphone_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/hacks-for-roblox-the-labyrinth_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-comcom_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-generator-addon_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-400-spin-link_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/radio-cheat-roblox_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/haktuts-coin-master-free-spin-today_GM406889139.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_off00002eaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EAA 21788 bytes
SHA-256: 840417647488981ab2e62d0dabf3a2d6d77f7214c4d647d547b53ec0b4e67c91
font_01_sfnt_off00005e8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E8E 19972 bytes
SHA-256: 90dca3d355488cf6a2c9c010e0233b1367a651189db9309962ac5578123ecf35

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