PDF malware analysis — malicious · 6476a738705f0ce7

MALICIOUS

PDF

44.5 KB Created: 2021-05-15 22:46:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: e0b6f3ee81a45ce8029b2571f2b6e0cd SHA-1: 52a832a44efd72c35d2f6fdde156f9a498aa7148 SHA-256: 6476a738705f0ce7b65b0093a79bb30c6d4c06f1c427c602824e1c2b424ab11e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a fake CAPTCHA or human verification prompt to trick the user into clicking a link, which is a common social engineering tactic. The embedded URLs suggest a lure related to game hacks or free in-game currency, aiming to entice users to download further malicious content. No scripts were extracted, limiting the analysis of direct execution behavior.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

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/how-to-get-gold-cards-on-coin-master-hack-game-hack
- https://metropolemoveis.com.br/ckfinder/userfiles/files/master-coin-free-spin_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/coin-master-free-spins_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/working-coin-master-hack_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/hacked-roblox-game_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/www-roblox-com-robux-free_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/coin-master-free-spins-apk_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/coin-master-hack_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/robux-com-free-robux_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/free-coins-on-coin-master-2021_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/free-roblox-shirt-templates-2021_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/free-robux-generator-no-human-verification-2021_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/coin-master-hack-xyz-download-free_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/free-robux-promo-codes-2021_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/coin-master-unlimited-spin-hack-mod-apk_GM406889139.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/free-robux-reddit_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/www-bandicam-com-free-robux_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
- https://metropolemoveis.com.br/ckfinder/userfiles/files/coin-master-unlimited-spins-hack_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004942.bin` `56a76b4e00718bff86823e5cd13c15795674489190f1e750a56cdc1dd2adf03b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4942	24948 bytes
`font_01_sfnt_off00008186.bin` `601c50867a41b9362538ff18e5f9479a0f9badf698aaf1eb7e88469c11719db7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8186	2920 bytes
`font_02_sfnt_off00008ba0.bin` `b0821ef7a42f22885c2f4dbe346b20fafab4ea9562761702b292e8a7c35fefc6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8BA0	18128 bytes

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