PDF malware analysis — malicious · 3abc8fcd2b764156

MALICIOUS

PDF

34.1 KB Created: 2021-07-09 08:21:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: b2e33ab65fe54f9cc86a12690f01130f SHA-1: be3100b2459df21693cb4c33b616fce0160eeb1c SHA-256: 3abc8fcd2b764156b9cbc02749f1943b41ce754c1112d7d4334e59781d398917

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 0.9824

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/431946152/how-to-get-free-robux-without-verifying-game-hack PDF link annotation
- https://htdvn.com/public/upload/files/mangocheats-com-hack-coin-master-cheat_GM406889139.pdfIn PDF document text
- https://htdvn.com/public/upload/files/how-to-use-no-clip-hacks-roblox-2021-novenmber_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/hack-roblox-ultimate-driving-dinero-infinito_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/free-executors-for-roblox_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/coin-master-offline-hack_GM406889139.pdfIn PDF document text
- https://htdvn.com/public/upload/files/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdfIn PDF document text
- https://htdvn.com/public/upload/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- https://htdvn.com/public/upload/files/free-game-pack-coin-master_GM406889139.pdfIn PDF document text
- https://htdvn.com/public/upload/files/free-builders-club-roblox-2021_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/turtle-roblox-hack_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/card-hack-in-coin-master_GM406889139.pdfIn PDF document text
- https://htdvn.com/public/upload/files/free-tiktok-likes-without-verification_GM835599320.pdfIn PDF document text
- https://htdvn.com/public/upload/files/roblox-free-download-for-ps4_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/minecraft-world-free-download_GM479516143.pdfIn PDF document text
- https://htdvn.com/public/upload/files/coin-master-free-daily-spins-today_GM406889139.pdfIn PDF document text
- https://htdvn.com/public/upload/files/roblox-hack-tools-in-the-game_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/free-robux-youtube-robuxian_GM431946152.pdfIn PDF document text
- https://htdvn.com/public/upload/files/codes-how-to-get-free-robux_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_off00002b64.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2B64	22856 bytes
SHA-256: `1c0e2c68ff08b0ea7dba383b9d096127efbf634a851736b90cd302b92e28a508`
`font_01_sfnt_off00005e59.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E59	19780 bytes
SHA-256: `b9c7d84263575e510e678fcc2eb85effd7bc843621a598683d3ec713f50ed6b3`

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