PDF malware analysis — malicious · 0281547e48dd2a19

MALICIOUS

PDF

41.3 KB Created: 2021-05-17 06:40:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5e2641ab8cfcea12340954ab5b81d623 SHA-1: 32e191b394d2be44ac1f13a5f9daedcbb14e00fe SHA-256: 0281547e48dd2a199fbe53a818f7267d91f5767b2d601d96362aa748932fb04e

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The document contains a lure for a "Real Coin Master Hack 2021" and includes multiple URLs pointing to similar game-hacking content. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs suggests an attempt to redirect the user to download malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.

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/406889139/real-coin-master-hack-2021-game-hack
- http://cosmosdawn.net/images/how-to-get-a-lot-of-robux_GM431946152.pdf
- http://cosmosdawn.net/images/how-do-you-get-free-robux-without-paying_GM431946152.pdf
- https://www.cosmosdawn.net/images/robux-matchcomfree-robux_GM431946152.pdf
- http://cosmosdawn.net/images/wwwhaktutsin-2021-08-coinmasterfreespinandcoinlinkhtml-m-1_GM406889139.pdf
- https://www.cosmosdawn.net/images/how-to-hack-minecraft-pe_GM479516143.pdf
- http://cosmosdawn.net/images/free-robux-only-username_GM431946152.pdf
- http://cosmosdawn.net/images/coin-master-hack-lost-world-2021-com_GM406889139.pdf
- https://www.cosmosdawn.net/images/coin-master-gold-cards-hack-2021_GM406889139.pdf
- http://cosmosdawn.net/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
- https://www.cosmosdawn.net/images/free-robux-card-codes_GM431946152.pdf
- http://cosmosdawn.net/images/free-coin-master-spins-blogger_GM406889139.pdf
- http://cosmosdawn.net/images/free-robux-generator-com-roblox-hack_GM431946152.pdf
- http://cosmosdawn.net/images/dailyrobux_GM431946152.pdf
- https://www.cosmosdawn.net/images/links-to-get-free-spins-on-coin-master_GM406889139.pdf
- http://cosmosdawn.net/images/coin-master-daily-bonus_GM406889139.pdf
- http://cosmosdawn.net/images/how-to-free-robux_GM431946152.pdf
- http://cosmosdawn.net/images/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdf
- https://www.cosmosdawn.net/images/free-redeem-code-for-coin-master_GM406889139.pdf
- http://cosmosdawn.net/images/avatar-the-last-airbender-roblox_GM431946152.pdf
- http://cosmosdawn.net/images/roblox-hack-me-robux_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_off00004676.bin` `055b06e7e5cd106a445601e1718cde2c89d56560f27a44fa8f8b75eca5cf62b7`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4676	24676 bytes
`font_01_sfnt_off00007f14.bin` `b4c41a46567064d4197865bd819757eb36d0b1d423a991f81f4246b2a9d75138`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F14	18192 bytes

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