PDF malware analysis — malicious · c7bc25bd0de45d92

MALICIOUS

PDF

41.8 KB Created: 2021-05-10 14:07:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 6f8213121b849e8c54f0d9d221c577e8 SHA-1: aea9b0c236f44a60a14390715bf5d9f71d504f30 SHA-256: c7bc25bd0de45d92ef4b32d18de92baba3db4d47cdd1dc72337c8f8682757442

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic indicating it links to a "free generator / game hack" lure. This lure redirects to the URL https://netcdn.xyz/app/406889139/spin-coin-game-hack, which is likely a malicious landing page. The document body, though heavily obfuscated, contains references to this URL and other suspicious PDF files hosted on alrashed-alsaleh.com, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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/spin-coin-game-hack PDF link annotation
- http://www.alrashed-alsaleh.com/userfiles/files/minecraft-pc-download-free-full-version_GM479516143.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-hack-apk-ios-download_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/get-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-coin-master-gifts_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/robux-com-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/wurst-client-18-9_GM479516143.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/real-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-mod-version-free-download-2021_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/games-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-robux-app-2021_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/robux-hack-free-robux_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/roblox-robux-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_off00004a18.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A18	25136 bytes
SHA-256: `08eac1bce5d5c2e933610bdb6a2479e9d709989484a2e6864484ce24bf3bbfa7`
`font_01_sfnt_off000083fd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83FD	17392 bytes
SHA-256: `b56bff47aa771abc34fd6f7ab31864e8be47b484c749d0c581bff3c59f183b7a`

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