PDF malware analysis — malicious · 51373377c231241d

MALICIOUS

PDF

43.1 KB Created: 2021-05-16 13:38:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1402042b55ca77a7d9218893df382214 SHA-1: b5ab2ba23814f3d1c991fbc53bfe766e2b212ad0 SHA-256: 51373377c231241d8a850a8cbd82fdf5e054c8bca6c4a1af0417abb67e916545

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple URLs pointing to sites that offer game-related cheats and generators, such as 'Roblox Robux Generator'. The presence of a download button lure and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading further malware. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest a phishing or social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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-robux-generator-no-human-verification-game-hack
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-daily-spins-coin-master_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-robux-redeem-codes_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/coin-master-free-coin-hack_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/coin-master-free-spins-16-04-19_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/coin-master-free-spins-link-may-2021_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/coin-master-free-mighty-lion-card_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-roblox-executor-no-key_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-roblox-toy-codes-not-used_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-2021_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-spins-coin-master-april-2021_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/roblox-free-printables_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-coins-coin-master-hack_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/coin-master-hack-to-get-free-spins_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/blox-rewards_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/haktuts-coin-master-free-spins-2021_GM406889139.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/roblox-jailbreak-hack_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/roblox-free-robux_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-robux-kid-friendly_GM431946152.pdf
- https://www.goldeneye-group.com/uploaded_files/userfiles/files/robux-online_GM431946152.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_off00004ca9.bin` `c1a8300d6e298d49f6ba2eef8e0fb24167fec19f499b90b6762e7d0a5c57b4ec`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4CA9	24504 bytes
`font_01_sfnt_off000084b7.bin` `d70e1896760ce565ff795a6c5d74f9ef69d680ae9e1e6e3d1ff99995b7d1b431`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84B7	18772 bytes

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