Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7c92c5267a203c2…

MALICIOUS

PDF

44.5 KB Created: 2021-05-19 06:14:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 15540aeab52d966d9b682158e648e360 SHA-1: 456033104faf8115fa2d215863f8595360980810 SHA-256: f7c92c5267a203c22425929cc80e4df6f1184c16120cc45d770f2771b7c12312
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a lure related to game hacks and free spins, directly linking to a URL that likely hosts malicious content. The 'SE_SECRET_RECOVERY_LURE' heuristic indicates the document may attempt to trick users into revealing sensitive information. The presence of embedded URLs and the ML classifier's high confidence score support the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.xyz/app/406889139/how-to-get-free-spins-on-coin-master-without-waiting-game-hack
    • http://www.e-lysis.com/images/how-to-hack-someones-roblox-account_GM431946152.pdf
    • http://www.e-lysis.com/images/robux-generator-2021_GM431946152.pdf
    • http://www.e-lysis.com/images/free-minecraft-java-server_GM479516143.pdf
    • http://www.e-lysis.com/images/free-spins-coin-master-app_GM406889139.pdf
    • http://www.e-lysis.com/images/best-coin-master-hack_GM406889139.pdf
    • http://www.e-lysis.com/images/minecraft-bedrock-edition-pc-download-free_GM479516143.pdf
    • http://www.e-lysis.com/images/roblox-free-robux-codes_GM431946152.pdf
    • http://www.e-lysis.com/images/boku-no-roblox-hack_GM431946152.pdf
    • http://www.e-lysis.com/images/coun-master_GM406889139.pdf
    • http://www.e-lysis.com/images/how-to-earn-robux_GM431946152.pdf
    • http://www.e-lysis.com/images/how-to-hack-someones-minecraft-account_GM479516143.pdf
    • http://www.e-lysis.com/images/minecraft-pe-free-download_GM479516143.pdf
    • http://www.e-lysis.com/images/coin-master-online-hack-2021_GM406889139.pdf
    • http://www.e-lysis.com/images/coin-master-400-spin-link-hack_GM406889139.pdf
    • http://www.e-lysis.com/images/freerobuxhack-us-2021_GM431946152.pdf
    • http://www.e-lysis.com/images/coin-master-hack-without-verification-code_GM406889139.pdf
    • http://www.e-lysis.com/images/how-to-get-unlimited-robux_GM431946152.pdf
    • http://www.e-lysis.com/images/bloxland-earn-free-robux_GM431946152.pdf
    • http://www.e-lysis.com/images/minecraft-story-mode-free-download_GM479516143.pdf
    • http://www.e-lysis.com/images/free-stuff-on-roblox-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b67.bin
1af8acc62de069bb8c4b84ed5df6d6c21a40252692bb5b835db7aa325acde67e		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B67 28232 bytes
font_01_sfnt_off00008a38.bin
74e90038a15acf9d59ef996dfbbccefa77ce85bd889c53575e7537e702976194		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A38 18844 bytes

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