PDF malware analysis — malicious · 5848fd957377e269

MALICIOUS

PDF

33.8 KB Created: 2021-06-25 13:46:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c58b903b70a71055379be6dc11bbc54f SHA-1: 7ac0826ce2ae4ca7e18b3468c46fab68d464723d SHA-256: 5848fd957377e269712ece364b85083be53945e1c2b713d409fd1bb289953951

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document exhibits characteristics of a malicious lure, specifically a link farm designed to direct users to sites offering game hacks and cheats. The presence of numerous external URIs, including one pointing to 'free-vetement-roblox-game-hack', strongly suggests an attempt to trick users into downloading potentially harmful content. The ML classifier also flagged this PDF with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-vetement-roblox-game-hack
- https://kierowcyhgv.uk/images/haktuts-coin-master-free-daily-spins_GM406889139.pdf
- https://kierowcyhgv.uk/images/minecraft-free-download-mac_GM479516143.pdf
- https://kierowcyhgv.uk/images/script-for-pubg-uc-hack_GM1330123889.pdf
- https://kierowcyhgv.uk/images/best-free-minecraft-hacked-client_GM479516143.pdf
- https://kierowcyhgv.uk/images/free-tiktok-followers-no-downloads_GM835599320.pdf
- http://kierowcyhgv.uk/images/free-spins-coin-master-unlimited_GM406889139.pdf
- https://kierowcyhgv.uk/images/how-to-hack-coin-master-root_GM406889139.pdf
- http://kierowcyhgv.uk/images/free-robux-codes-adopt-me_GM431946152.pdf
- https://kierowcyhgv.uk/images/how-to-get-free-spins-coin-master_GM406889139.pdf
- https://kierowcyhgv.uk/images/coin-master-free-spin-and-coins-links_GM406889139.pdf
- http://kierowcyhgv.uk/images/how-to-get-free-money-in-roblox-adopt-me_GM431946152.pdf
- https://kierowcyhgv.uk/images/how-to-hack-any-roblox-account_GM431946152.pdf
- http://kierowcyhgv.uk/images/executor-roblox-hack_GM431946152.pdf
- https://kierowcyhgv.uk/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdf
- https://kierowcyhgv.uk/images/roblox-hack-client_GM431946152.pdf
- https://kierowcyhgv.uk/images/buy-robux-free_GM431946152.pdf
- http://kierowcyhgv.uk/images/hacks-for-the-plaza-in-roblox-to-get-money_GM431946152.pdf
- http://kierowcyhgv.uk/images/hack-of-roblox-2021-in-game-like-counter-boxing_GM431946152.pdf
- http://kierowcyhgv.uk/images/roblox-free-gold-chain_GM431946152.pdf
- http://kierowcyhgv.uk/images/cheat-super-training-simulator-roblox_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002c2a.bin` `fc747d3e7eea1b6fec9cff6992551aecc4f2951bdb11228dac369722df353f7c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C2A	22696 bytes
`font_01_sfnt_off00005eaf.bin` `4c4f384b44e0d77c880a5471d07b8c9fb9cea713cff67891be50ac419dab2cdc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EAF	19148 bytes

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