PDF malware analysis — malicious · 2189c3fb43e6d4bd

MALICIOUS

PDF

43.8 KB Created: 2021-05-20 05:11:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 3282b3590d533574a03a900748c4dfe3 SHA-1: 38be2c572bbc92b2f29a883fea89af1accc99d5e SHA-256: 2189c3fb43e6d4bdceee41b30160f4cd0504ceb7884c0c7e8914856857d70ef9

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites offering 'Robux' or 'Coin Master' hacks, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the document's theme suggest it's designed to redirect users to potentially malicious sites or download further payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/what
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-free-spins-through-coin-pop_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/robux-generator-that-works_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/hacks-to-get-free-robux_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-cheats-2021_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/www-roblox-robux_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coun-master_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/rewardex-robux_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/www-rbx-com_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/robux-hack-free-robux_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-really-hack-coin-master_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-apk-mod-hack-download_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-hack-2021_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/robux-apk_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-game-hacking-tricks_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-do-you-get-free-robux_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/hacks-for-coin-master-game_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-generator-2021-no-human-verification_GM431946152.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-snacks-on-coin-master_GM406889139.pdf
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-hack-roblox-accounts-on-phone-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
`stream_003_off000049a9.bin` `6f6c29813f0e591296462e56be9f5aae2704fe4e3589a0d30afe4bf6fccc5194`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49A9	27016 bytes
`font_01_sfnt_off000087ad.bin` `ff19be0cad14758b658f08e46864a6c8eb95815c150b505e3e976822d13d62a4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87AD	18608 bytes

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