PDF malware analysis — malicious · 71cbedc58fcb6d2d

MALICIOUS

PDF

41.9 KB Created: 2021-05-16 16:50:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 47558c0418bf8155e18bb35d873995b2 SHA-1: 7fedfd954e806ddeff6f6af1391ecea618a2c6f7 SHA-256: 71cbedc58fcb6d2ddde3a57331ab13cafcdd0619e80d1e68905534138d6f647b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are structured to appear as SEO-optimized content related to game cheats and virtual currency. The primary URL, 'https://netcdn.xyz/app/431946152/getrobux-come-game-hack', suggests a direct attempt to deliver a payload or phish for credentials. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of such links, reinforcing the malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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.xyz/app/431946152/getrobux-come-game-hack
- http://www.taxiaparis.fr/images/free-robux-websites-that-work_GM431946152.pdf
- http://www.taxiaparis.fr/images/how-do-i-get-free-robux_GM431946152.pdf
- http://www.taxiaparis.fr/images/roblox-robux-hack-generator_GM431946152.pdf
- http://www.taxiaparis.fr/images/free-online-minecraft-server_GM479516143.pdf
- http://www.taxiaparis.fr/images/coin-master-free-spin-daily-link_GM406889139.pdf
- http://www.taxiaparis.fr/images/how-do-i-get-free-robux-on-roblox_GM431946152.pdf
- http://www.taxiaparis.fr/images/how-to-downgrade-minecraft-pe_GM479516143.pdf
- http://www.taxiaparis.fr/images/apps-that-give-you-free-robux_GM431946152.pdf
- http://www.taxiaparis.fr/images/free-minecraft-accounts-2021_GM479516143.pdf
- http://www.taxiaparis.fr/images/does-coin-master-hack-work_GM406889139.pdf
- http://www.taxiaparis.fr/images/can-you-get-robux-for-free_GM431946152.pdf
- http://www.taxiaparis.fr/images/coin-master-free-spins-link-2021-ios_GM406889139.pdf
- http://www.taxiaparis.fr/images/roblox-pink-free-robux_GM431946152.pdf
- http://www.taxiaparis.fr/images/roblox-generator-no-human-verification_GM431946152.pdf
- http://www.taxiaparis.fr/images/free-robux-2021-no-human-verification_GM431946152.pdf
- http://www.taxiaparis.fr/images/coin-master-cheats-for-free-spins_GM406889139.pdf
- http://www.taxiaparis.fr/images/how-to-get-more-robux-for-free_GM431946152.pdf
- http://www.taxiaparis.fr/images/get-free-spins-in-coin-master_GM406889139.pdf
- http://www.taxiaparis.fr/images/link-for-free-spins-on-coin-master_GM406889139.pdf
- http://www.taxiaparis.fr/images/get-free-coins-for-coin-master_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004717.bin` `38dd9dcbe4adc01cda033dc86c553ae418e9c0aa124858d3aa8812d5554f17fb`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4717	25264 bytes
`font_01_sfnt_off00008179.bin` `eccbe16884f1372dd0d8c57c88e5bc61ee7bcfafa4ac6286ca85878eadaf1272`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8179	18216 bytes

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