Malicious PDF — malware analysis report

Static analysis result for SHA-256 927db9408ad5c0a4…

MALICIOUS

PDF

35.6 KB Created: 2021-07-05 18:21:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 377236d98997e0ed7603b548c5c25828 SHA-1: 6835aa87eb48deff2dca73c942b8e104de4da1ae SHA-256: 927db9408ad5c0a4ba98603ec2e5d012a119c902eb3393d94fc284078fe6f350
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains lures related to hacking and obtaining in-game currency, such as 'Robux'. It includes an external URI pointing to a suspicious domain, likely serving a malicious payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/431946152/how-to-hack-someone-for-robux-game-hack
    • https://repository.stikesindramayu.ac.id/repository/how-to-hack-roblox-accounts-2021-on-phone_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/free-robux-hack-2021_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/easy-hack-to-get-halos-in-royale-high-roblox_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/robux-free-glitch_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/free-robux-no-human-verification-or-scams_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/hacks-roblox-csgo_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/free-minecraft-survival-server_GM479516143.pdf
    • https://repository.stikesindramayu.ac.id/repository/how-tom-change-birthday-on-roblox-under-13-without-hacks_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/tiktok-free-view-your-liked-videos_GM835599320.pdf
    • https://repository.stikesindramayu.ac.id/repository/free-robux-secret-site_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/face-made-when-roblox-was-hacked_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/roblox-login-hack_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/free-robux-promotinal-codes_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/roblox-hack-level-7_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/how-to-get-free-robux-no-tix_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/anarchy-roblox-hacks-site-v3rmillionnet_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/free-coin-master-coins_GM406889139.pdf
    • https://repository.stikesindramayu.ac.id/repository/how-to-hack-roblox-for-free-robux-by-playing-games_GM431946152.pdf
    • https://repository.stikesindramayu.ac.id/repository/coin-master-3rd-village-free-2021-gift-card_GM406889139.pdf
    • https://repository.stikesindramayu.ac.id/repository/www-roblox-cheat-codes-com_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003320.bin
fadbb410301c0c2053b335f28d4690a7f1b27aa290ff157c5c72de89653944af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3320 22584 bytes
font_01_sfnt_off0000659a.bin
8b1ea5b1390e9b431e5b3580c1d41456e37479bc39f9a799dc3ae6b00c9980d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x659A 19308 bytes

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