PDF malware analysis — malicious · fee00e4d79fb1d6d

MALICIOUS

PDF

34.9 KB Created: 2021-07-04 19:00:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 512680ddf0ba20760bbe56b55b2f8a6c SHA-1: db077c6c1f91942af97d86b06ca388917763231c SHA-256: fee00e4d79fb1d6d911d546f70f8c923d8a66d3192a2772a1029f122d6c77030

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/coin-master-game-hack-link-game-hack PDF link annotation
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/how-to-make-robux_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-free-spins-link-download-hack_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/how-to-hack-to-have-robux_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-robux-hacks-no-download_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-apk-hack-2021_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-free-no-sign-up_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-100-spin_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/minecraft-launcher-free_GM479516143.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/how-to-hack-dead-winter-roblox_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/tiktok-for-free_GM835599320.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/free-private-minecraft-server_GM479516143.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/robux-generator-2021_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/robux-in_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_off000032cc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32CC	22816 bytes
SHA-256: `3129b7d0f3e30f422aaf1583c13a217a3aef9dfc7d40064bcc7695a771a3a395`
`font_01_sfnt_off000065b4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65B4	18264 bytes
SHA-256: `c1c21b29a6afb4d06e4d6845aa9afd5500216469eff45eb2d027be7bd9c24dc5`

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