PDF malware analysis — malicious · 7a73d3649fcaa7d3

MALICIOUS

PDF

41.8 KB Created: 2021-05-12 00:50:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-14

MD5: 77336feaad8119ba0c3e2e3951a93101 SHA-1: 0e86fc4887da37814de38a23d55dbb0c7e58e874 SHA-256: 7a73d3649fcaa7d3f45c6d8a0daf1b289989ece40ea1bdbe16fc113381f2fb9e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs and displays a fake CAPTCHA lure to trick users into clicking malicious links. The primary URL, https://netcdn.xyz/app/431946152/roblox-adopt-me-hack-game-hack, suggests the document is part of a campaign distributing game cheats or hacks. No scripts were extracted, but the presence of embedded URLs and the fake CAPTCHA heuristic strongly indicate a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/431946152/roblox-adopt-me-hack-game-hack PDF link annotation
- http://kim-kinder-im-mittelpunkt.de/images/free-robux-hack_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/free-robux-card-codes_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/download-coin-master-apk-hacked_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/what-is-exploiting-in-roblox_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/coin-master-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/free-spins-and-coins-coin-master-links_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/bloxland-earn-free-robux_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/coin-master-unlimited-free-spins_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/robux-free-gift-card_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/how-to-hack-coin-master-spin_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/free-coin-master-spins-blogger_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/www-robux-com_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/free-robux-codes-generator_GM431946152.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
- http://kim-kinder-im-mittelpunkt.de/images/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000048b7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x48B7	23896 bytes
SHA-256: `db09b8faa890f45bd29a9c270c86722bdc95e21456fc892ce7887945d37c4d7a`
`font_01_sfnt_off00007f31.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F31	18832 bytes
SHA-256: `4d658ccafa0b893d8d7fed2f8c747f895118d61cffd562c1959dd86f9709654a`

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