PDF malware analysis — malicious · 0ab63eab347d5e5c

MALICIOUS

PDF

48.1 KB Created: 2021-06-10 19:16:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 0a4d39e73e33b63b4e7e886f7db58a6d SHA-1: 59a08b16fae3c1e48b36dfbc0a13246296801695 SHA-256: 0ab63eab347d5e5c83b16c0e348e194b5b00f548cec35f726b91b7a6b8a6401d

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 deceive the user. It also contains an external URI pointing to a URL that appears to be related to game hacking, suggesting a lure for downloading potentially malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/how-to-run-cheat-engine-with-roblox-game-hack PDF link annotation
- http://feuerwehr-rheinau.de/images/toolbox-mod_GM479516143.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/robux-free-2021_GM431946152.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/robux-free-robux_GM431946152.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/minecraft-pc-free_GM479516143.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/coin-master-online-hack-tool_GM406889139.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/master-coin-free-spin_GM406889139.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/blogger-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/free-minecraft-mods_GM479516143.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/what-is-a-minecraft-client_GM479516143.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/coin-master-hack-club_GM406889139.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/free-spins-coin-master-haktuts_GM406889139.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/do-robux-generators-work_GM431946152.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/free-roblox-accessories_GM431946152.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/master-hack-coin_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000511c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x511C	24532 bytes
SHA-256: `9c9a314d22661e1edcfdc2a503147293c839f7169e0f837cdd3c45eeaf37e80e`
`font_01_sfnt_off00008945.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8945	4088 bytes
SHA-256: `47b0761d4215e86cf8160ab4358b49f35bb9db687464bbd70ecda65c7610e192`
`font_02_sfnt_off00009695.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9695	19192 bytes
SHA-256: `bff6d372c7e0da211661bc4067ef390454bca4b96dab0f320697471a94f00168`

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