PDF malware analysis — malicious · 4b82dbb22d6d21d5

MALICIOUS

PDF

49.7 KB Created: 2021-06-03 05:00:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 585e6e5d96ee09030a902cac41b13a21 SHA-1: 579690937dc839970d90cb59a81e36b1f1fed67e SHA-256: 4b82dbb22d6d21d510682c6623ebf97f8935f9f64987f65ac72cc54f1fa206bb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector. The embedded URL, https://netcdn.online/app/431946152/roblox-free-hair-codes-game-hack, is presented as a lure for game-related cheats. This suggests the document is designed to trick users into visiting a potentially malicious website, likely for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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.online/app/431946152/roblox-free-hair-codes-game-hack PDF link annotation
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/coin-master-how-to-get-japan-sushi-card-free_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/coin-master-online-hack-no-survey-no-password_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/spin-and-coin_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/free-roblox-hair-girl_GM431946152.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/free-robux-2021_GM431946152.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/free-robux-microsoft_GM431946152.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/http-coin-master-hack-club_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/roblox-shirt-template-free_GM431946152.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/claimrbx-free-robux_GM431946152.pdfIn PDF document text
- http://www.reyhanceliker.com.tr/theme/images/ckeditor/files/coin-master-hack-generator_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_004_off00005443.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5443	28472 bytes
SHA-256: `c01696da3e9a20fe52a0be9ba8bb282adcc1f044fa7a41324c2b63bab6f8c406`
`font_01_sfnt_off00009520.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9520	2940 bytes
SHA-256: `eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a`
`font_02_sfnt_off00009f30.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F30	18472 bytes
SHA-256: `0c34ab104977070915151016e24e35187f8354093682c5401cbbc3770fde4f5e`

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