PDF malware analysis — malicious · c59d65fdc5307ff6

MALICIOUS

PDF

35.6 KB Created: 2021-06-28 00:22:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 6c4e42e6af73c4296142aa0b2305d423 SHA-1: 8ce2899cde93fd94e21102f87cd1aa53eb2dfc9d SHA-256: c59d65fdc5307ff68df6adc30245e30b45771d626d27c343c2027b65d9f90630

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains multiple embedded URLs, with one specifically pointing to a 'roblox-free-game-hack'. The presence of a 'Password-protected archive handoff' heuristic suggests the document is designed to trick users into downloading an encrypted payload, which is then likely decrypted using provided password instructions. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/raindrop-roblox-free-game-hack
- http://elibrary.perludem.org/repository/when-tiktok-free-will_GM835599320.pdf
- http://www.elibrary.perludem.org/repository/ad-robux-hack_GM431946152.pdf
- http://elibrary.perludem.org/repository/how-to-hack-roblox-accounts-using-console_GM431946152.pdf
- http://elibrary.perludem.org/repository/free-robux-no-human-verification-no-survey_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/free-gift-card-codes-roblox-2021_GM431946152.pdf
- http://elibrary.perludem.org//repository/coin-master-links-for-free-spins-2021_GM406889139.pdf
- http://elibrary.perludem.org/repository/how-to-hack-unblock-roblox-password_GM431946152.pdf
- http://elibrary.perludem.org/repository/simplysarc_GM479516143.pdf
- http://elibrary.perludem.org/repository/how-to-get-robux_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/roblox-free-exploits_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/free-robux-hack-2021_GM431946152.pdf
- http://elibrary.perludem.org/repository/free-roblox-codes-2021-july_GM431946152.pdf
- http://elibrary.perludem.org/repository/free-robux-youtube_GM431946152.pdf
- http://elibrary.perludem.org/repository/free-robux-no-downloading-apps_GM431946152.pdf
- http://elibrary.perludem.org/repository/minecraft-life-hacks_GM479516143.pdf
- http://elibrary.perludem.org/repository/how-to-hack-ultimate-driving-roblox_GM431946152.pdf
- http://elibrary.perludem.org/repository/free-foxy-food-coin-master_GM406889139.pdf
- http://elibrary.perludem.org/repository/dantdm-robloxminecrafttycoonjailbreakfailyoutube20212021hacked_GM431946152.pdf
- http://elibrary.perludem.org/repository/roblox-how-to-hack-piano_GM431946152.pdf
- http://elibrary.perludem.org/repository/roblox-bomb-vest-free_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00003432.bin` `aa238daf5ca66a62337600f4b0af8a26df8cea7293c85c6d4b4a117f608d7dc3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3432	22636 bytes
`font_01_sfnt_off00006634.bin` `46b2b2f8beb2b491c7b112cafd5ff4cefee1d369b8af1c9c78fd9b1ae3ba0cae`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6634	19120 bytes

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