PDF malware analysis — malicious · 9602d5746e3c5980

MALICIOUS

PDF

53.7 KB Created: 2021-06-07 08:09:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: fc362bd73324095b4ff326e0c68fb320 SHA-1: 86ee9864cba9641ad2c4f6667c9918f40884cc99 SHA-256: 9602d5746e3c5980f6157c27406f6050fb8e8b7aa0baee00bbb41a36f5bfc2ee

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The document uses a lure related to game hacks (Roblox, Coin Master) and explicitly requests sensitive recovery secrets, indicating a phishing or credential harvesting attempt. The presence of multiple embedded URLs pointing to similar game-related content suggests a campaign distributing malicious files disguised as cheats or generators. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9636

Heuristics 4

Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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.tw/app/431946152/roblox-hack-mod-menu-game-hack
- http://anna-art.in.ua/images/roblox-robux-hack-generator_GM431946152.pdf
- http://anna-art.in.ua/images/free-spins-on-coin-master-game_GM406889139.pdf
- http://anna-art.in.ua/images/free-robux-codes-2021-real_GM431946152.pdf
- http://anna-art.in.ua/images/minecraft-free-trial_GM479516143.pdf
- http://anna-art.in.ua/images/free-robux-come_GM431946152.pdf
- http://anna-art.in.ua/images/hack-coin-master-android_GM406889139.pdf
- http://anna-art.in.ua/images/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdf
- http://anna-art.in.ua/images/pubg-uc-icon_GM1330123889.pdf
- http://anna-art.in.ua/images/roblox-booga-booga-hack_GM431946152.pdf
- http://anna-art.in.ua/images/static-moonactive-net-free-spins_GM406889139.pdf
- http://anna-art.in.ua/images/hacks-to-get-free-robux_GM431946152.pdf
- http://anna-art.in.ua/images/minecraft-redeem-code-free_GM479516143.pdf
- http://anna-art.in.ua/images/coin-master-spin-hack-apk_GM406889139.pdf
- http://anna-art.in.ua/images/roblox-rs-hack_GM431946152.pdf
- http://anna-art.in.ua/images/coin-master-free-spin-no-offers_GM406889139.pdf
- http://anna-art.in.ua/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdf
- http://anna-art.in.ua/images/get-minecraft-windows-10-free_GM479516143.pdf
- http://anna-art.in.ua/images/free-robux-generator-no-human-verification-2021_GM431946152.pdf
- http://anna-art.in.ua/images/free-tiktok-followers-no-verification-or-survey_GM835599320.pdf
- http://anna-art.in.ua/images/how-to-get-free-robux-hack_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000050a7.bin` `a90dd321066535589f52ceed509c6a2196490e01d95473751afe65b3f4aaea7e`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x50A7	37108 bytes
`font_01_sfnt_off0000a452.bin` `bab8933fc39dc331bc4c1c904a82b1432ab2e02478fa0a59453c98c5c231da8d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA452	2956 bytes
`font_02_sfnt_off0000ae72.bin` `730edd0aacfd117316f9642c0a80a6f5d732e60cbfdfcbe57152d6a79c1164a3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAE72	18692 bytes

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