PDF malware analysis — malicious · 230d47bd101324f2

MALICIOUS

PDF

35.2 KB Created: 2021-06-23 01:55:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 74a7aee94a088a290722ed3485621c7b SHA-1: 486e2d9be3e310ce278da330766a3bb273345321 SHA-256: 230d47bd101324f2f4403bf5ebb501d953aff8883af0823bb19a93218fd3ac9d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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.co/app/406889139/coin-master-apk-hack-mod-download-game-hack PDF link annotation
- https://limebug.com/media/storage/editor/files/hacks-master-coin_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-hack-tips_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/https-webrobloxknife-simulatorcom-games-202120218-howtogetfreerobux_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-hack-scripprison-ecape_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/bux-free-robux_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/how-to-hack-roblox-2021-september_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/bloxland-earn-free-robux_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/apk-coin-master-hack_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-piano-hack-script-pastebin_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-robux-wheel_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-hacking-website_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_002_off0000321a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x321A	22836 bytes
SHA-256: `0ac77f43ebe336bd5cd911ddd58f1d639890897dadf0a88a80ed33a04d0d623f`
`font_01_sfnt_off0000652e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x652E	18760 bytes
SHA-256: `ec7a458fe2bbad6ce9ec209de50d05d0206296983a0e5c16239db9a9d5dfea1c`

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