PDF malware analysis — malicious · 395f5eb4a2798ae0

MALICIOUS

PDF

34.8 KB Created: 2021-06-19 23:55:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: ef46c9829fec51c1f29bf440afca0229 SHA-1: 67359cb30a681841421762667d6bdddb17cb7c6e SHA-256: 395f5eb4a2798ae029959e99f99db43e36756af0c09db27a7ffed691e5aae9d5

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/431946152/roblox-aimbot-free-download-game-hack PDF link annotation
- https://limebug.com/media/storage/editor/files/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-firebird-card-free_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/how-to-hack-on-ipad-roblox_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/minecraft-java-edition-free-trial_GM479516143.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/thanos-t-shirt-roblox-free_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free-spins-2021-generator_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/minecraft-mod-menu_GM479516143.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free-spins-through-coin-pop_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-sign-in-free_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-tiktok-likes-app_GM835599320.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/code-free-robux_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-microsoft-rewards_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_off00002f49.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F49	22528 bytes
SHA-256: `ce3248bbedc8b75e5220d04bab56757af0892f5e0e8219c3f76da873bb84e5fd`
`font_01_sfnt_off0000616b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x616B	19640 bytes
SHA-256: `3ea142f6517d211db5842b1e528e895420a109530f4b311746d015780d475352`

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