PDF malware analysis — malicious · f407d3a96f6b1a44

MALICIOUS

PDF

35.3 KB Created: 2021-07-10 00:01:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 01e63d770ed1ecac907d7e64bfa2a1c1 SHA-1: 9eafcb8d03dd16074bb2c50424bac503e01db5af SHA-256: f407d3a96f6b1a441908f6247fe5fbe1236b59dc63b85d5241e6cc103eac63db

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a prominent link disguised as a game hack generator, which is a common lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious. The embedded URL likely leads to a second-stage payload or a scam website.

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-apk-no-fb-login-game-hack PDF link annotation
- https://www.dotnotion.com/uploaded_files/userfiles/files/minecraft-pe-hack-client-ios_GM479516143.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/blox-pink-robux-free_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/hack-minecraft_GM479516143.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/minecraft-pe-texture-packs-free-download_GM479516143.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-spins-generated-from-coin-master_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-robux-offer-site_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/roblox-free-no-download-or-install_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/roblox-shuts-down-with-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/give-me-free-robux_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/how-to-get-free-robux-in-roblox-without-a-generator_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/free-robux-scams_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/master-coin-hack-apk_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/roblox-free-accessories_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/sign-in-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/coin-master-hack-uk_GM406889139.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/how-to-make-items-free-on-roblox_GM431946152.pdfIn PDF document text
- https://www.dotnotion.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coin-link-2021-today_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_off00003272.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3272	23224 bytes
SHA-256: `3cd417b8314cdbb619febb8837d72e420f05ed511768f2a2fef12c8a7d6f261d`
`font_01_sfnt_off000066c4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66C4	18504 bytes
SHA-256: `26b8bf51222734129bb90634f0ae2168f5c5f1e8c3f336d3d2c5178d7afe9803`

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