PDF malware analysis — malicious · 6d16a01a63767452

MALICIOUS

PDF

35.1 KB Created: 2021-06-19 11:58:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: ff890ac1a5718175124031e0de1580b9 SHA-1: 20c720318e6daa21e628f9effc303706e0e8b935 SHA-256: 6d16a01a637674525df4eea681abb9ae587a5c1597ea43d813db2cd5626573b9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links and text referencing 'free Robux' and game hacks, indicating a lure for users interested in such content. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' confirms this, and the ML classifier strongly suggests malicious intent. The embedded URLs likely lead to sites distributing malware or engaging in phishing.

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.co/app/431946152/how-to-get-free-robux-promo-codes-2021-june-game-hack PDF link annotation
- http://sv-nahetal.de/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://sv-nahetal.de/images/coin-master-free-spin-link-new_GM406889139.pdfIn PDF document text
- http://sv-nahetal.de/images/hack-coin-master-for-android_GM406889139.pdfIn PDF document text
- http://sv-nahetal.de/images/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/foxy-hacks-com-roblox_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/tiktok-free-auto-liker_GM835599320.pdfIn PDF document text
- http://sv-nahetal.de/images/can-you-earn-robux_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/how-get-free-robux-glitch_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
- http://sv-nahetal.de/images/pokemon-go-free-vs-pro_GM1094591345.pdfIn PDF document text
- http://sv-nahetal.de/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/roblox-hack-cheat-engine-63_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/hack-roblox-apk-pc_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/roblox-phantom-forces-credit-hack-2021_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/hacker-simulator-roblox-code_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
- http://sv-nahetal.de/images/robux-gift-card-free_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
- http://sv-nahetal.de/images/dignity-roblox-hacker_GM431946152.pdfIn PDF document text
- http://sv-nahetal.de/images/is-minecraft-earth-free_GM479516143.pdfIn PDF document text
- https://www.roblox.com/.IIn 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_off00003187.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3187	21912 bytes
SHA-256: `a3a4b699e88c9adbb026364744d970b73412a4e1ae3a61f07ee26dd8594844c2`
`font_01_sfnt_off00006193.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6193	19956 bytes
SHA-256: `048cdffa030f4fae131d09b7a5720bab8353b2e45736f33e6dd48c27c0960898`

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