Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc213a9ab6e1af18…

MALICIOUS

PDF

45.9 KB Created: 2021-06-08 12:29:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 1beae6a094bc53795b0b0025c7ed928e SHA-1: 5605406a346382227631d048834dbfb5179d6517 SHA-256: cc213a9ab6e1af18a2cc5277c4360c2a361feb701ed20610ed6d6c7f57fe37cb
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1534 Steal or Intercept Session Tokens

This PDF document exhibits malicious characteristics, including an embedded URI pointing to a suspicious download page and a lure for MFA code harvesting. The document's content suggests it is designed to trick users into downloading a 'hack' for a game, likely leading to the execution of further malicious payloads. The presence of multiple suspicious URLs indicates a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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 https://netcdn.tw/app/431946152/descargar-hack-de-roblox-game-hack
    • http://doganov.be/images/coin-master-hack-2021_GM406889139.pdf
    • http://doganov.be/images/free-robux-safe_GM431946152.pdf
    • http://doganov.be/images/rbxfree-com-free-robux_GM431946152.pdf
    • http://doganov.be/images/robux-free-com_GM431946152.pdf
    • http://doganov.be/images/como-descargar-coin-master-hackeado_GM406889139.pdf
    • http://doganov.be/images/free-robux-groups-2021_GM431946152.pdf
    • http://doganov.be/images/mcpe-com_GM479516143.pdf
    • http://doganov.be/images/how-do-you-get-roblox-for-free_GM431946152.pdf
    • http://doganov.be/images/real-robux_GM431946152.pdf
    • http://doganov.be/images/free-spins-for-coin-master-2021_GM406889139.pdf
    • http://doganov.be/images/free-minecraft-bedrock-server_GM479516143.pdf
    • http://doganov.be/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdf
    • http://doganov.be/images/wizard-hacks_GM479516143.pdf
    • http://doganov.be/images/get-free-spins-on-coin-master-links_GM406889139.pdf
    • http://doganov.be/images/coin-master-hack-online-cheat_GM406889139.pdf
    • http://doganov.be/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdf
    • http://doganov.be/images/minecraft-hacker-skin_GM479516143.pdf
    • http://doganov.be/images/robux-hack-2021-without-human-verification_GM431946152.pdf
    • http://doganov.be/images/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdf
    • http://doganov.be/images/roblox-help-free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000521a.bin
fb94feddfa95efc1223965e0b9b6f7e3a6558a008859c036952c6aef86834303		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x521A 26748 bytes
font_01_sfnt_off00008f95.bin
b263dc578cef987842bba68492f1503798cb125b5202a6bd354ad8c1f606e151		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F95 18640 bytes

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