Malicious PDF — malware analysis report

Static analysis result for SHA-256 fee6e72ca3dca712…

MALICIOUS

PDF

32.7 KB Created: 2021-06-20 01:13:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 9192e34f7c0499c4e7b153c0f07936b8 SHA-1: 9832d97a283f02ee0b9cde6c0523619dc7881bc4 SHA-256: fee6e72ca3dca712f3c3ab9c0e66d61b072ede7cd6818b502358488ad042e6c7
82 Risk Score

Malware Insights

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

The PDF document contains multiple links and references to game hacks and cheats, specifically for Roblox and Minecraft. The primary URL http://netcdn.co/app/431946152/hack-para-canbiare-el-nombre-en-roblox-game-hack likely serves as a redirector to a malicious download or exploit. The ML classifier strongly flagged this PDF as malicious, supporting the lure-based attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/hack-para-canbiare-el-nombre-en-roblox-game-hack PDF link annotation
    • https://library.itn.ac.id/perpusitn/repository/how-do-you-get-free-robux-code_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/infinite-robux_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/cheats-roblox-mine-simulator-julio-2021_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-minecraft-shaders_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-cheats-and-tips_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/como-hackear-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/robux-download_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-free-spin-links-december-30-2021_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/executor-roblox-free-no-hack-promise_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-how-to-get-japan-sushi-card-free_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-face-hacks_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-tips_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-accounts-for-sale-free_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/hack-coin-master-game_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_off00002ad1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD1 21772 bytes
SHA-256: 2852867c2281ada5f417f0873fc0a44c9befea05d4c5b259a28e767473d23ec0
font_01_sfnt_off00005ab9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB9 19188 bytes
SHA-256: 3ddf0aaffa17e94dd2a577b9f0216240de52ba911314c689df9d837fbaf2caf0

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