PDF malware analysis — malicious · a88aa0d966584d6d

MALICIOUS

PDF

41.3 KB Created: 2021-05-17 01:34:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 3501936aad2d7240cae7acf44b2719c7 SHA-1: 535f80446b29610b6a137471defbf1b5297660b4 SHA-256: a88aa0d966584d6d1bfcfd471d6a796efcca49b489c6fec716c94f84fb958ed0

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains lures for free Robux and includes multiple embedded URLs pointing to potentially malicious content. The ML classifier also flagged this PDF with high confidence. The presence of download buttons and callback lures suggests a social engineering attempt to trick the user into downloading a secondary payload.

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/free-robux-codes-generator-no-verification-game-hack
- http://learningarabic.co.uk/images/apps-to-get-free-robux_GM431946152.pdf
- http://learningarabic.co.uk/images/robux-hack-free-robux_GM431946152.pdf
- http://learningarabic.co.uk/images/coin-master-heaven-free-spins_GM406889139.pdf
- http://learningarabic.co.uk/images/spin-coin-master_GM406889139.pdf
- http://learningarabic.co.uk/images/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdf
- http://learningarabic.co.uk/images/minecraft-pe-hack-client-ios_GM479516143.pdf
- http://learningarabic.co.uk/images/roblox-admin-hack_GM431946152.pdf
- http://learningarabic.co.uk/images/roblox-free-items-2021_GM431946152.pdf
- http://learningarabic.co.uk/images/free-minecraft-education-edition_GM479516143.pdf
- http://learningarabic.co.uk/images/coin-master-computer-hack_GM406889139.pdf
- http://learningarabic.co.uk/images/game-toolbox_GM479516143.pdf
- http://learningarabic.co.uk/images/how-to-get-free-robux-hack_GM431946152.pdf
- http://learningarabic.co.uk/images/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
- http://learningarabic.co.uk/images/free-robux-gift-card-codes_GM431946152.pdf
- http://learningarabic.co.uk/images/coin-master-free-spins-moonactive_GM406889139.pdf
- http://learningarabic.co.uk/images/get-free-robux-generator_GM431946152.pdf
- http://learningarabic.co.uk/images/cheats-for-coin-master_GM406889139.pdf
- http://learningarabic.co.uk/images/free-spins-coin-master-2021_GM406889139.pdf
- http://learningarabic.co.uk/images/coin-master-hack-version-download_GM406889139.pdf
- http://learningarabic.co.uk/images/how-to-earn-robux-for-free-2021_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_off00004644.bin` `04638291a4cb666916c1cf64b56a3703cabd48860aa160b4699ed24f35a036a5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4644	25256 bytes
`font_01_sfnt_off00007d45.bin` `a4a7f46a8ec4e4fe0089faa119d4be48f59112184e2c655defb35f5102acccee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D45	18776 bytes

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