PDF malware analysis — malicious · 6eda7626c95a9ee2

MALICIOUS

PDF

54.0 KB Created: 2021-05-17 20:43:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2c1837ed18b863a92e7922cf45d6efb3 SHA-1: 7ae0278a27f9db8d6dd2c64115a50597c5193103 SHA-256: 6eda7626c95a9ee2216dfa14490e420948a1554f1f5e13941407f6b69be6ccbb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a fake CAPTCHA lure, designed to trick the user into downloading further malicious content. The embedded URL points to a resource that likely serves a secondary payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.8494

Heuristics 4

Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA

Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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.xyz/app/406889139/coin-master-game-hack-app-game-hack
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-hack-online-2021_GM406889139.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins-link_GM406889139.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-100-free-spins-link_GM406889139.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-free-spins-1-coin-master_GM406889139.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/free-robux-without-verification-2021_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-free-daily-spins-and-coins_GM406889139.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/free-roblox-shirt-templates-2021_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/roblox-hack-app_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/free-robux-co_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/scary-larry-roblox_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/how-to-get-robux-for-free-2021_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/minecraft-cheats-switch_GM479516143.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/roblox-robux-generator_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/free-robux-on-iphone_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/hacks-for-coin-master-game_GM406889139.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/hacks-para-roblox_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/minecraft-servers-that-allow-hacks_GM479516143.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/free-roblox-accounts-generator_GM431946152.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/hack-free-spin-coin-master_GM406889139.pdf
- https://mayastisingkawang.com/__statics/gudangsoal/files/minecraft-for-free-on-phone_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004ad0.bin` `9934af3efd61f2effb05365452118a35a8b27612ecfc8d07b8876ad6ea38f478`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AD0	24976 bytes
`font_01_sfnt_off000084a3.bin` `e7854aff7cbc8fbdeb85d2b3d6248d12dc820ede8a581f4eac107fa6446c2222`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84A3	3088 bytes
`font_02_sfnt_off00008f6e.bin` `cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F6E	7960 bytes
`font_03_sfnt_off0000a293.bin` `a9beebf818d5886f30c9f2ca3dea49ae6ba882c6c1da3ca8fee2aac0910a50ab`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA293	18152 bytes
`font_04_sfnt_off0000c427.bin` `fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC427	4272 bytes

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