PDF malware analysis — malicious · 1a02023262e9a077

MALICIOUS

PDF

44.1 KB Created: 2021-05-14 22:08:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1ada4966da4dcd490da606f9b0f3d70a SHA-1: 498ac2418580ea80f649ea34aecff6cbebb82138 SHA-256: 1a02023262e9a077ed50eba9350551697447b4d27e6b5a2b48da23ae5deccced

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document presents a fake CAPTCHA to trick users into downloading further malicious content, as indicated by the 'SE_FAKE_CAPTCHA' heuristic. It also contains numerous embedded URLs, one of which is directly linked to a potential payload. The presence of PDF_URI and ML_NYX_PDF_MALICIOUS firings further supports the malicious classification.

Machine Learning

Nyx PDF Classifier malicious score 0.9976

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/robloxhacks-game-hack
- https://emindonesia.com/assets/CKImages/files/roblox-free-robux-hack_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/blogspot-coin-master-free-spins_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/how-to-get-free-coins-on-coin-master_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/free-robux-com-2021_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/robux-free-gift-card_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/websites-that-give-free-robux_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/roblox-hack-com_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/coin-master-hack-2021_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/coin-master-free-spins-2021-ios_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/free-robux-download_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/sites-for-free-spins-for-coin-master_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/coin-master-free-spins-ios-2021_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/free-robux-master_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/free-robux-promo-codes_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/free-robux-2021-no-human-verification_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/free-spins-on-coin-master_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/free-roblox-pin-codes_GM431946152.pdf
- https://emindonesia.com/assets/CKImages/files/coin-master-club-hack_GM406889139.pdf
- https://emindonesia.com/assets/CKImages/files/how-to-get-free-robux-without-any-verification_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_off00004ceb.bin` `ebf8a19e5fc7cb75c073cba62baf3daf9c06bdcceb366261b4fb1a32ab3cc9fd`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4CEB	26312 bytes
`font_01_sfnt_off000089e7.bin` `4c82b5acf2344fb6074e769b7bb8f458d53ebd76102ce4f277dd7245c06f6447`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89E7	18348 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.