PDF malware analysis — malicious · 9a66bfb97c821b25

MALICIOUS

PDF

32.9 KB Created: 2021-06-29 07:23:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: b221ad21074c6d0e92aba330e6c7c6ec SHA-1: af8b3402144479a5f9773b4ac11856580b74c14f SHA-256: 9a66bfb97c821b254439f7f01b9467d4d996314ddd25f4185eb88c28a7b2644b

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The document contains numerous embedded URLs and text related to game hacks and cheats, such as 'free-shirts-to-make-for-roblox-game-hack'. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic and the ML classifier's high confidence score indicate a malicious intent to lure users to download potentially harmful content. The document's primary purpose appears to be distributing links to game exploits and cheats.

Machine Learning

Nyx PDF Classifier malicious score 0.9824

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 http://netcdn.co/app/431946152/free-shirts-to-make-for-roblox-game-hack
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-offline-hack_GM406889139.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-free_GM406889139.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-spin-and-daily-news-coin-master_GM406889139.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/download-coin-master-hack-apk_GM406889139.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/tiktok-free-download-for-iphone_GM835599320.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/multiplayer-master-hack-coins_GM406889139.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/roblox-bloxburg-free-money_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-robux-in-roblox-real_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-email-free-spins_GM406889139.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/minecraft-xbox-360-free-download-code_GM479516143.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/synapse-roblox-free-download_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-get-free-spins_GM406889139.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/roblox-naruto-final-bond-ninetails-hack_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-get-free-robux-by-playing-games_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/robux-free-co_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/wurst-115-2_GM479516143.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-roblox-hack_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-earn-robux_GM431946152.pdf
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-robux-com-real_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_off00002bbc.bin` `47e3079727c6eaf20339cf074c8208d4931f2810d324c9cc6703005a68354a0f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2BBC	21628 bytes
`font_01_sfnt_off00005b1f.bin` `a00345c18ecf54d49b681eab19ee5f1d0fe751699b2ed573bfc89d3167b3f07e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B1F	19404 bytes

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