PDF malware analysis — malicious · ccbad1825c54404e

MALICIOUS

PDF

45.8 KB Created: 2021-06-08 11:01:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 1e08107fcd8c738fe29b79ddb87695dc SHA-1: 97ceb76c5c31b5fb7025e150122c4603aaeab62b SHA-256: ccbad1825c54404e6ef225d3d04c5bf9bb41e9bc8102e5930d8934f527fad347

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 0.9864

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 https://netcdn.tw/app/431946152/free-gucci-jacket-roblox-game-hack PDF link annotation
- https://quatangphongthuy.vn/upload/UploadFiles/files/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/roblox-printables-free_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/coin-master-game-2021-free-spin-link_GM406889139.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/minecraft-gun-mod-download-free_GM479516143.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/pokemon-go-free-remote-raid-pass-march-2021_GM1094591345.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/can-you-host-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/minecraft-launcher-free_GM479516143.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/free-robux-working_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/free-robux-no-verify_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- https://quatangphongthuy.vn/upload/UploadFiles/files/coin-master-hack-for-ios_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_off0000536a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x536A	27148 bytes
SHA-256: `1e784f6e46a6e250660e6a99404713311c4be7ebfc01dde610306ac705647a88`
`font_01_sfnt_off00008ee7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EE7	18876 bytes
SHA-256: `265deb0da5773d44810db556555561a582695b10cb9f3f816be3ef236f7c25f1`

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