PDF malware analysis — malicious · 564cb8b00ff420b4

MALICIOUS

PDF

45.0 KB Created: 2021-06-09 09:52:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: b7739bcd10a48797481d4a748b8d46a7 SHA-1: 71944cbaace1817e795b9b3df2898e8df4cafe11 SHA-256: 564cb8b00ff420b40eec51f21ec6a2b9ff9e10a50f4a2a2312f1dd146805a464

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a launch action and embedded URIs pointing to websites that promise free Robux, a common lure for phishing and scamming. The ML classifier also flagged this PDF as malicious. The document body text and extracted URLs strongly suggest a social engineering attempt to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 4

Launch action high PDF_LAUNCH

PDF contains a /Launch action with an unresolved or extension-less target — treat as potentially dangerous
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.tw/app/431946152/how-to-get-free-robux-by-joining-a-group-game-hack
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-codes-no-verification-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-free-unlimited-robux_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-can-you-get-free-robux_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-imac-hack_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/admin-cheats-roblox_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/launch-roblox-hacks_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-promo-codes-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/fast-and-easy-way-to-get-free-robux_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-hack-loaderexe_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/get-free-obc-in-roblox-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/cheat-robux-roblox-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-leaked-games-roblox_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/coin-master-free-spins-daily_GM406889139.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-redeem-virtual-codes-free-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-coin-master-coins_GM406889139.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-free-vip-in-miner-tycoon-roblox_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-2021-roblox-accounts_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/c-roblox-exploit-free_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-rcm-free-trial_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-and-coins_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_004_off0000507a.bin` `8bf08be346e3612fd5747499edc29cccd74e3ea18327a9197e8b29ec365b31e2`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x507A	25308 bytes
`font_01_sfnt_off00008aa3.bin` `0432af846bf440f4954f4b49ef83d7aea3200c99ee70118867295b2f87d8ecf4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AA3	19212 bytes

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