PDF malware analysis — malicious · 174e50c0331450ff

MALICIOUS

PDF

34.0 KB Created: 2021-07-08 14:10:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 275862cf1be32101a765df5bdf8d9819 SHA-1: beeb0dc8fd09160584f8d895732e1ea66b74f855 SHA-256: 174e50c0331450ff1db25322632046f4c384ddf52631ddf1ae9af1cd411ec223

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-hack-version-download-ios-game-hack PDF link annotation
- https://tanahlot.id/assets/CKImages/files/how-to-cheat-in-roblox-2021_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/roblox-online-hack-connect-your-account_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/toolbox-premium-apk_GM479516143.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/buy-robux-free-2021_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-hack-mod-apk-download_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-login-roblox_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/cute-free-roblox-outfits_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-spin-app-for-coin-master_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/real-working-roblox-hacks_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-5-000-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/lua-c-free-camera-roblox_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/gift-card-codes-free-roblox_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-apps-like-roblox_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/gold-cards-coin-master-hack_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/minecraft-classic-free_GM479516143.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-robux-hack-no-survey-no-download-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_off00002f27.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F27	22360 bytes
SHA-256: `0d6917cfe80c40674446b17f76ea72762d7c646bb446975d9d99c3fd41e5fafb`
`font_01_sfnt_off000060d2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60D2	18720 bytes
SHA-256: `3c4367012d12327575ededa4d77ef98d6970aefe65cc86cc308957458729a9ee`

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