PDF malware analysis — malicious · a98b0b6619f2bac1

MALICIOUS

PDF

40.9 KB Created: 2021-05-15 03:03:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ece5bb927c7a8d4cc84ce331198e8ebe SHA-1: 689aaf8760b48fd0d801eea61448fb5453c5859c SHA-256: a98b0b6619f2bac199b8861e61658250acfd7d9f82eaa25bcda781e04964d58a

74 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 3

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.
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.xyz/app/406889139/coin-master-game-hunters-club-game-hack PDF link annotation
- https://tokunfome.com.br/images/play-roblox-for-free-on-google_GM431946152.pdfIn PDF document text
- https://tokunfome.com.br/images/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/minecraft-java-account-free_GM479516143.pdfIn PDF document text
- https://tokunfome.com.br/images/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
- https://tokunfome.com.br/images/game-hunters-coin-master_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/free-coins-coin-master_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/coin-master-daily-free-spin-and-coin_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://tokunfome.com.br/images/collect-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://tokunfome.com.br/images/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
- https://tokunfome.com.br/images/free-coin-master-links_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/coin-monster_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/coin-master-hack-apk-facebook-login_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
- https://tokunfome.com.br/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://tokunfome.com.br/images/to-get-free-robux_GM431946152.pdfIn PDF document text
- https://tokunfome.com.br/images/best-free-robux-sites_GM431946152.pdfIn PDF document text
- https://tokunfome.com.br/images/coin-master-hack-tool-generator_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
`stream_003_off00004a70.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A70	25724 bytes
SHA-256: `3c1c81163a7ee887ba56eefe4101f5498465dd4b3a5dfeda3dbd989b443d45c9`
`font_01_sfnt_off00008432.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8432	18176 bytes
SHA-256: `74ffa4d131b86204091f15510d9e99a1a5fd5d4654b2a7ca9c54d403d144afe2`

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