PDF malware analysis — malicious · 2b0dff27d8b73a8d

MALICIOUS

PDF

35.3 KB Created: 2021-07-08 17:50:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 590d97ebc7ffd8f1cc92e78564b32871 SHA-1: aa374d9bc8f7847ba00de6739cc5d563346aab3b SHA-256: 2b0dff27d8b73a8d68665ad2433f521109e4db043f95c755110716987dcea8e6

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/406889139/free-download-coin-master-game-hack PDF link annotation
- http://www.5oceansoman.com/uploaded_files/userfiles/files/free-coins--spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/roblox-cheat-engine-scripts-2021_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/roblox-jailbreak-noclip-cheat-engine-script_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/how-to-open-roblox-with-cheat-engine-without-getting-kicked_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/coin-master-daily-spin-link-app_GM406889139.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/roblox-its-free_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/hack-someone-on-roblox-and-steal-their-robux_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/free-minecraft-skins-pc_GM479516143.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/can-you-get-hacked-on-roblox_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/hacking-progam-roblox_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/free-robux-on-phone_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/roblox-adopt-me-hacks-2021_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/coin-master-game-hack-online_GM406889139.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/free-robux-inventory_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/i-want-free-robux_GM431946152.pdfIn PDF document text
- http://www.5oceansoman.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.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_off000033b5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33B5	22660 bytes
SHA-256: `0bf2573e22adb6ae9a77c3b324896181d1496a0a3dbe7b64db4dc71b2543d700`
`font_01_sfnt_off00006663.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6663	18576 bytes
SHA-256: `ba0db7d20da48e941f50dfa15a3fc29fea34058df87ad3f7e9723dbec04454cd`

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