PDF malware analysis — malicious · 4d840eba6504b287

MALICIOUS

PDF

45.3 KB Created: 2021-05-13 03:01:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 1b452bb45bc29628bc8d87e5acb8e3e6 SHA-1: f7c3d8d53b8dfde6f19d05294c3efbfca6df0a55 SHA-256: 4d840eba6504b28720ad7c30fb7952e99773869bdd419cfbd77c6f0ffb06f7b6

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document displays a fake CAPTCHA or human verification prompt, a common lure to trick users into downloading further malicious content. It also contains numerous embedded URLs pointing to sites offering game hacks and cheats, suggesting a phishing or malware distribution scheme. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

Heuristics 4

Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA

Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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-sexually-abused-game-hack PDF link annotation
- http://moneymaker-gold.de/files/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/how-to-get-free-cards-sets-for-coin-master_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/free-coin-master-coins_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/easy-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/coin-master-daily-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/static-moonactive-net-rewards_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/coin-master-hack-iphone_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/how-to-get-unlimited-robux_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/how-do-you-earn-robux_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/minecraft-classic-free_GM479516143.pdfIn PDF document text
- http://moneymaker-gold.de/files/robux-app_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/free-robux-link_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- http://moneymaker-gold.de/files/free-robux-real-working_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/oprewards-robux_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000481b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x481B	25208 bytes
SHA-256: `0ed86e8dbdeed0598a56ac1d7bbe04c60e2843c69a554016aec5ac656cfff7d0`
`font_01_sfnt_off00008293.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8293	3400 bytes
SHA-256: `4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07`
`font_02_sfnt_off00008dbd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DBD	18508 bytes
SHA-256: `b1c39975123a52d9682ccfba1733f779de8b429b790b71cc4c758c5e78952887`

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