PDF malware analysis — malicious · 7dc21a76030098ff

MALICIOUS

PDF

41.8 KB Created: 2021-05-14 22:05:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 6c76256adefec52cb310cb175404f5e6 SHA-1: fe1c5b8f1bc0ead134c3d9f4f931801c4cc133c6 SHA-256: 7dc21a76030098ffe72ed1eb81f555cc55ff10fc34ee985302c3a81207d74457

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links that are disguised as game hacks or generators for popular mobile games. The primary link, 'https://netcdn.xyz/app/406889139/coin-master-free-spins-for-today-game-hack', is flagged as a lure for game hacks. This suggests the document's purpose is to trick users into visiting malicious websites, likely for malware distribution or credential harvesting.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/406889139/coin-master-free-spins-for-today-game-hack PDF link annotation
- https://ethraa.ae/userfiles/files/roblox-hack-download_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-hack_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-t-shirt-roblox_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/how-to-change-your-username-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/robux-hack-free-robux_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-guide-to-free-spins-and-rewards_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-gifts_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-hack-app-ios_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/roblox-april-fools-hack_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
`stream_003_off00004821.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4821	24980 bytes
SHA-256: `1634fd153ebb6920d5802047ba81af1a0c32d8149bc0ced6d5589d38329904f9`
`font_01_sfnt_off000080e9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x80E9	18240 bytes
SHA-256: `a96ac7afd25cadbabafd1b9dbf0a180d0c1833ed2d07acb4363f122556c39d20`

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