PDF malware analysis — malicious · 917a00b8ebdd30eb

MALICIOUS

PDF

34.1 KB Created: 2021-07-01 23:52:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 46a720f055177647e29756db07b7e66f SHA-1: 64b454de7ac9dce9ae2a27a0394b9fa8e8fa8e22 SHA-256: 917a00b8ebdd30ebae61203076673d616b704f1a4c04bdbb255080ef9d634239

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to free game hacks and texture packs, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple embedded URLs further supports a malicious intent, likely to lead users to a phishing or malware download site. No scripts were extracted from this sample.

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.co/app/479516143/best-free-minecraft-texture-packs-game-hack PDF link annotation
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/robux-hack-me_GM431946152.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/real-coin-master-hacks_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-free-spins-instagram_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/free-coin-master-coins_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-32-hack-apk_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/robux-online_GM431946152.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/minecraft-hack-2021_GM479516143.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-free-spins-link-app-download_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/free-limiteds-roblox_GM431946152.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/free-robux-obby_GM431946152.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-free-attack-link_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/free-robux-on-iphone_GM431946152.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/free-robux-only-username-no-human-verification_GM431946152.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/coin-master-hack-mod_GM406889139.pdfIn PDF document text
- https://teknikkaryamandiri.com/ckfinder/userfiles/files/how-to-get-free-robux-2021_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_off00003043.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3043	22128 bytes
SHA-256: `d26d1827847d0da9832f690ce43bf10bd9e04fef6fa93317313a1f8b09e0fbc6`
`font_01_sfnt_off00006146.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6146	18744 bytes
SHA-256: `e8b211b9ffe0a0e580f1a8ca21c01c261f2994ec1764d2244b5caa998895579b`

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