PDF malware analysis — malicious · c4ba8b76443d0168

MALICIOUS

PDF

33.3 KB Created: 2021-06-28 12:37:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 54b8135288269d674c6489f6a23e9c4b SHA-1: 2516d9fa371d01b90d82b77a1be9311f359bd984 SHA-256: c4ba8b76443d016854bc688aec7dc8b11eb9401b07d1dcd2fd2f64fc6333d067

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains lures related to game hacks and free in-game currency, directing users to a malicious URL. The ML classifier strongly flagged this PDF as malicious. The primary malicious activity observed is the redirection to a URL that likely hosts a further payload or phishing content.

Machine Learning

Nyx PDF Classifier malicious score 0.9824

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/who-hacked-cutelucyy9-on-roblox-game-hack PDF link annotation
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-cheat-apk-free-download_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/microsoft-roblox_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-do-you-install-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-imagine_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-dex-hack_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/cheats-for-coin-master_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-computer-hack_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-spins-coin-master-facebook_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-to-hack-a-roblox-username_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-robux-for-account_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-roblox-hack-us_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_off00002c21.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C21	21384 bytes
SHA-256: `af4a7df59695229646a8cbe45066430850282b2d0616ac80f8df2618ad15d799`
`font_01_sfnt_off00005af5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5AF5	19780 bytes
SHA-256: `34f4e5f491eb2e7608480ec889566c1b6108ce8190a1496ae064ad7176305b11`

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