PDF malware analysis — malicious · 9b54a6581c9be7c7

MALICIOUS

PDF

34.3 KB Created: 2021-07-03 17:03:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 9d4184c0270c97308d935f870792c049 SHA-1: dc2ccd4fcd6b6673ee2767386de693ef95859f3e SHA-256: 9b54a6581c9be7c76251ae5fac40e479e91fafc653efb8f2a633835f8e73b1cb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document is designed as a lure, using themes of game hacking and free generators to entice users. It contains multiple embedded URLs, with the primary malicious link being http://netcdn.tw/app/431946152/roblox-comroblox-game-hack. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it is intended to redirect users to malicious sites, likely for further payload delivery or phishing. The ML classifier strongly supports the malicious verdict.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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.tw/app/431946152/roblox-comroblox-game-hack PDF link annotation
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/roblox-script-hack_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/checkmein-free-roblox_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/who-hacked-roblox-to-change-the-thumbnails-of-games_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-hack-coins-in-roblox-mm2_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/bypass-roblox-cheat-engine-2021_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-java-server-hosting-free_GM479516143.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-hack-sword-fighting-tournament-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-use-wurst_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-mojang-free_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/pokemon-go-free-yourself_GM1094591345.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-get-the-advanceddisk-in-loomian-legacy-roblox-free_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-hack-someone-password-on-roblox_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-use-cheat-engine-on-roblox-phantom-forces_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/free-robux-hacker-us_GM431946152.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_off000030d4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30D4	22072 bytes
SHA-256: `8a41d0b2819833c2dd8f66bc1c9586ac1df2d197db57d09cbef6591a8284244e`
`font_01_sfnt_off000061ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61BA	18748 bytes
SHA-256: `7b51ac7cd0d997d75be22500c2cba7076fd8e57e03e7cc1f9d0443fc391da534`

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