PDF malware analysis — malicious · 3491fbcc01640f09

MALICIOUS

PDF

35.6 KB Created: 2021-07-04 04:02:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: fe5163f80eb7f20ebede7b48dcab171c SHA-1: 69e5b8457515e6d7425913ff9da103e0615fb802 SHA-256: 3491fbcc01640f0930838c274d8a98dbf00f83ec763e4a59f3970c66d037eff2

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links disguised as game hacks and generators for popular games like Roblox and Coin Master. The primary heuristic indicates these links lead to a redirector, likely serving malicious content or phishing pages. The document body, though partially corrupted, contains references to these lures and embedded URLs, reinforcing the malicious intent. No scripts were extracted, but the overall pattern suggests a lure-based attack aiming to trick users into downloading further malware or divulging credentials.

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/roblox-robux-codes-2021-game-hack PDF link annotation
- http://baxtton.com/sites/default/files/files/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/roblox-pain-exist-hack_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/roblox-password-hacker-generator_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/http-robux-hack_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/how-to-o-get-free-coin-master-spins_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/minecraft-client-download_GM479516143.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/prison-life-roblox-hacks_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-spin-app-coin-master_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-spins-coin-master-app-ios_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/coin-master-hack-pc_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/get-free-roblox-robux-generator_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/how-to-hack-roblox-with-cheat-engine-for-robux_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/www-rbx-com_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-tiktok-fans-app_GM835599320.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/sex-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/pasos-para-hackear-coins-master_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_off000032ac.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32AC	22756 bytes
SHA-256: `ab7074ec17191ba4123ec1f43ae2d13e4a9e03853c7f87c6bce428078209a023`
`font_01_sfnt_off00006595.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6595	19204 bytes
SHA-256: `bc750578e017cfee0e53610975505914a1d043d3eab3943ee4073a15e39fd014`

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