PDF malware analysis — malicious · 94be1329916bda1b

MALICIOUS

PDF

34.0 KB Created: 2021-07-04 05:57:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 55e179063d8ae5e22e68edc37b73ec1d SHA-1: bdcedb1881dac47e72bde512850ffc79fec8c250 SHA-256: 94be1329916bda1bd32c65afb67bce0ef7545b68fbaedbb9731366b3ed9f23f0

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of 'free Robux' and game hacks to entice users. It contains an embedded URI that redirects to a malicious website, likely to download further malware or conduct phishing. The ML classifier strongly indicated maliciousness, and the PDF_GAME_HACK_REDIRECT_LURE heuristic confirms the deceptive nature of the content.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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.tw/app/431946152/free-robux-hack-2021-game-hack PDF link annotation
- https://www.simplenepaltravel.com/userfiles/files/oprewards-com-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/coin-master-apk-mod-free-download_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/roblox-games-with-free-radio_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-robux-hack-us_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/get-free-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-hack-on-jailbreak-roblox_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/pubg-uc-qiymetleri_GM1330123889.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-roblox-clothing-group_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/coin-master-free-spins-link-download-free_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/actual-free-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-robux-just-click_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_off00002e98.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E98	21920 bytes
SHA-256: `cd9572b9a8c6a79b60126123170aef2f831b32d9c498de053012be5f0499c48a`
`font_01_sfnt_off00005ef7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EF7	19288 bytes
SHA-256: `f0e75447e64b5aff6e0a409bd439ae7070421d1013f4950abf0614a44f9f6dfe`

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