PDF malware analysis — malicious · 762f37db72ce8ba6

MALICIOUS

PDF

47.0 KB Created: 2021-05-20 00:04:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: dc947537b243ccc76e8caeb0f9496a25 SHA-1: d0d3508be64c6c001e7d3f586fcd35f095abde2e SHA-256: 762f37db72ce8ba65dba69c4b96e3d907fc8854620666603c85ddef7d39a63fd

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 hosted on vizyonproduction.com and appear to be related to game hacks and cheats, such as Roblox and Coin Master. One prominent URL, https://netcdn.xyz/app/431946152/roblox-apk-hack-game-hack, suggests the distribution of an application. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, reinforcing the idea of a link farm designed to direct users to various potentially malicious resources. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of the file.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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/roblox-apk-hack-game-hack
- https://www.vizyonproduction.com/application/uploads/assets/files/https-rbx-place-rewards_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-minecraft-for-free-on-mac_GM479516143.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/roblox-redeem-card-codes-free_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-golden-cards-hack_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-roblox_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-roblox-promo-codes_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-spins-for-free-on-coin-master_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-hacks-no-verification_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-real-hack_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-hack-https-coinms-net_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-coins-on-coin-master-2021_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-minecraft-mods-for-pc_GM479516143.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-do-you-get-free-roebucks_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-no-verification-2021_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-robux-codes-2021_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-not-fake_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-roblox-clothes-templates_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-free-gold-cards-link-2021ee-spins_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004da7.bin` `2d5b13712482827bf2026037c6842ff88424c2278ef3340e847139f66a07aa47`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DA7	25568 bytes
`font_01_sfnt_off00008821.bin` `40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8821	3884 bytes
`font_02_sfnt_off000094c9.bin` `7e836b6261bebb63fda2bc6c603fa398fe0a548bc6334e21915c3f4956160db8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94C9	18356 bytes

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