PDF malware analysis — malicious · ba566feea6f5a959

MALICIOUS

PDF

45.6 KB Created: 2021-05-19 01:47:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 204116801ec614845033107e3e16480f SHA-1: 88d98e7cc4e68c6f7fc3d0e8953157e1189c960c SHA-256: ba566feea6f5a959eccca4dbaa94ebe8caae6fff969c93a50acf86fa50429a7e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a high-confidence heuristic indicating it links to a game hack lure. The document body and extracted URLs reinforce this, pointing to sites offering 'free spins' and 'hacks' for games like Coin Master. The primary URL, https://netcdn.xyz/app/406889139/coin-master-free-spins-deutsch-download-ios-link-game-hack, is a clear indicator of this social engineering tactic.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

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-deutsch-download-ios-link-game-hack PDF link annotation
- https://7gking.tw/upload/files/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/ro-ghoul-script_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-tricks_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/my-minecraft-account-was-hacked_GM479516143.pdfIn PDF document text
- https://7gking.tw/upload/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-blogspot-free-spins_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/get-free-coin-master_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/tiktok-free-followers-without-human-verification_GM835599320.pdfIn PDF document text
- https://7gking.tw/upload/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-free_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-links-to-coin-master_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/minecraft-gun-mod-download-free_GM479516143.pdfIn PDF document text
- https://7gking.tw/upload/files/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-free-spins-link_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
`stream_003_off00004bdc.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BDC	24264 bytes
SHA-256: `f94a4b633baa773d24b083932b850dd634a36462629affb00fb8b5b6b0fccd1c`
`font_01_sfnt_off000083b0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83B0	2980 bytes
SHA-256: `66de8b3278b19ce338bd39d802648449c21b92b9d4364fab864b10a133f6b3de`
`font_02_sfnt_off00008e04.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E04	18944 bytes
SHA-256: `8404235b8cfd74d6d6f1010ca69935ae214dcf577c73904f30617ca7dbf1d164`

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