PDF malware analysis — malicious · 017f07d952900d5c

MALICIOUS

PDF

48.1 KB Created: 2021-05-15 14:42:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: aee7c1fa81023d8b32eca79e3a76bc3e SHA-1: 18449aec33a25a5a10852a9f9b5055403f0c9e4d SHA-256: 017f07d952900d5c3741d3871a4953e14e3c4839b292ffacbfa598fdfcbcac3e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering game hacks and free spins, a common lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9013

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/free-coin-master-spins-2021-game-hack PDF link annotation
- http://gamardelli.com.br/images/ckfinder/files/roblox-free-login_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-wheel_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-2021_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/minecraft-hacked-client-18_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/100-free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-jackpot-hack_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/give-me-robux_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-links-for-today_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/com-roblox_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-minecraft-realms-to-join_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/get-coin-master-hack_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/roblox-earn-robux_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-hack-xyz-download_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-spins-coin-master-links-blogspot_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_off00004d32.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D32	29768 bytes
SHA-256: `ce7d6314fb064fbf12ced97b945f5dfd84fdba0966fadb45de2f41ca08b55a00`
`font_01_sfnt_off00008fd2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8FD2	2812 bytes
SHA-256: `fc92a80cefddbcc51cb4ecd7284aa73b746cbd66adcf1d96110f0323ec06b51f`
`font_02_sfnt_off00009973.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9973	18288 bytes
SHA-256: `cbf21fc5c11f74798808ab0cc71af5e4bf323ced5a050f8983f0748b8c809d88`

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