PDF malware analysis — malicious · a9f4fdf5ed09c166

MALICIOUS

PDF

45.7 KB Created: 2021-05-13 14:05:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ae25ad5a202db4c55915e1c675e0914f SHA-1: a09f98ced9c473f39d8146b1bbb78bc440a4519a SHA-256: a9f4fdf5ed09c166cda8d0c049108066abde33e5a7c20ae476e955a632d081e1

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document presents a fake CAPTCHA or verification prompt to trick the user into interacting with it. It contains an embedded URI pointing to a URL that likely hosts a malicious payload or redirects to a phishing site. 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/406889139/coin-master-online-free-spin-game-hack
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/free-daily-spins-coin-master_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/roblox-free-robux-hack_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/free-rare-cards-for-coin-master-christmas_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/free-robux-hack-no-verification_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/get-free-spins-coin-master-2021_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-mac_GM479516143.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/roblox-executor-free-download_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/minecraft-pe-free-download_GM479516143.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/free-minecraft-severs_GM479516143.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/https-oprewards-com-roblox_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/coin-master-app_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/coin-master-free-spins-link-today-new_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-app_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/roblox-hack-game_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/roblox-studio-free_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/coin-coin-master-hack_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/robux-free-co_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/robux-generator-without-verification_GM431946152.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/free-coins-coin-master-link-2021_GM406889139.pdf
- https://www.shoppingmart.ie/uploaded_files/userfiles/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004ac3.bin` `010c3d19b7eff218b07e907a0cd95ada6f1267f704cfa7ae460b1a97352ae517`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AC3	25148 bytes
`font_01_sfnt_off00008478.bin` `8a66cd2b4d3e750d09828feabfe29e27266322b5ac714c714f9bd10e47a780ea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8478	3820 bytes
`font_02_sfnt_off00009116.bin` `2c7fa3368334b97167a94522378fa280712522cebcffba168a6fd88a865d6a90`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9116	17960 bytes

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