PDF malware analysis — malicious · 948d3ec5da7c62ee

MALICIOUS

PDF

43.0 KB Created: 2021-05-11 00:12:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: fe23df1cbdde6fdabf948db0cdb1ac07 SHA-1: c2f76f646ba4b0ab15cee68ccf6021f2ba1ba1c9 SHA-256: 948d3ec5da7c62eecf3daaf867871d81dbe26da4528015e3085f4bd848bbb1e9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "Coin Master Game Hack App" and directs users to a malicious URL. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a social engineering tactic to redirect users to potentially harmful content, likely a phishing or scam page.

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/coin-master-game-hack-app-game-hack PDF link annotation
- https://www.dotnotion.com/uploaded_files/userfiles/files/rape-simulator_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/coin-master-email-free-spins_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/best-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-robux-place_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-robux-com-2021_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/mcpe-master-coin-hack-apk_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/coin-master-hack-programmers_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/download-coin-master-apk-hack_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-daily-spin-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/static-moonactive-net-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/spinuri-gratis-coin-master_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/minecraft-free-unblocked_GM479516143.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_off00004d45.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D45	24836 bytes
SHA-256: `15488ec59a71f11bb8f0b321983737abe1f9c775cab602439115fdd05bb4ff32`
`font_01_sfnt_off00008664.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8664	18152 bytes
SHA-256: `a9beebf818d5886f30c9f2ca3dea49ae6ba882c6c1da3ca8fee2aac0910a50ab`

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