PDF malware analysis — malicious · e002168d32cd197c

MALICIOUS

PDF

45.9 KB Created: 2021-05-13 22:03:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 4fe552c6c0f0fd8fdd4807199b3d92f5 SHA-1: f455e89dc2f834d2fd0456e26c41e7fc28ee8ee1 SHA-256: e002168d32cd197cd0979164ce190741d562663991036d676b04efdc8a1c21ef

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 0.9432

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/431946152/roblox-robux-generator-tool-game-hack PDF link annotation
- https://www.cgalgeria-dubai.com/userfiles/files/twitter-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/get-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/free-realistic-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/coin-master-hack-tool-v1-9-download_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/coin-master-link_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/free-vip-roblox_GM431946152.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/can-i-have-robux_GM431946152.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/free-coin-spin-daily-link-net_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/coin-master-hack-2021-app_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/working-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.cgalgeria-dubai.com/userfiles/files/coin-master-free-coins-and-spins-2021_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_off00004af4.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AF4	25276 bytes
SHA-256: `2c0b72e6dda9c14fca879a8f9078ca69d6213443afc58663cc2c1f17c830033c`
`font_01_sfnt_off0000859e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x859E	3120 bytes
SHA-256: `49734f51977507cba6bc8d3ad0cee0363aa119856db094427deb9cf565bb7bca`
`font_02_sfnt_off000090b1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90B1	18256 bytes
SHA-256: `d3f4191cb905e11e15b1a275d00a7cd931df57561d027c5bc59f2434de0157e6`

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