Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa7504ace5f0b510…

MALICIOUS

PDF

41.6 KB Created: 2021-05-16 22:34:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e251109c88bb2113956502e66a4fcede SHA-1: 11e932d2ab6d665dfa23fe2dec43953bc95c43c6 SHA-256: aa7504ace5f0b510e13acbc91253bd8bd1c387f2b4512a865e522328ff6d4a85
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains heuristics indicating it is malicious and attempts to lure users with a 'secret recovery' pretext, likely related to game accounts. It embeds multiple URLs pointing to websites that offer hacks and cheats for popular games like Coin Master and Roblox. The document body and embedded links suggest a phishing or scam attempt to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/coin-master-free-gifts-game-hack
    • http://oddgraphic.com/images/wurst-hacks_GM479516143.pdf
    • http://oddgraphic.com/images/free-spins-coin-master-facebook_GM406889139.pdf
    • http://oddgraphic.com/images/coin-master-free-spins-2021-hack_GM406889139.pdf
    • http://oddgraphic.com/images/free-spins-on-coin-master-iphone_GM406889139.pdf
    • http://oddgraphic.com/images/coin-master-free-spins-app_GM406889139.pdf
    • http://oddgraphic.com/images/coin-master-game-free-download_GM406889139.pdf
    • http://oddgraphic.com/images/bux-free-robux_GM431946152.pdf
    • http://oddgraphic.com/images/coin-master-hack-generator-tool_GM406889139.pdf
    • http://oddgraphic.com/images/free-robux-site_GM431946152.pdf
    • http://oddgraphic.com/images/robux-hack-free-robux_GM431946152.pdf
    • http://oddgraphic.com/images/roblox-free-robux-generator_GM431946152.pdf
    • http://oddgraphic.com/images/roblox-free-robux-codes_GM431946152.pdf
    • http://oddgraphic.com/images/minecraft-hacker-skin_GM479516143.pdf
    • http://oddgraphic.com/images/how-to-get-free-robux-without-email_GM431946152.pdf
    • http://oddgraphic.com/images/coin-master-free-spins-link-2021-no-verification-deutsch_GM406889139.pdf
    • http://oddgraphic.com/images/how-to-free-robux_GM431946152.pdf
    • http://oddgraphic.com/images/minecraft-net-free_GM479516143.pdf
    • http://oddgraphic.com/images/games-like-coin-master_GM406889139.pdf
    • http://oddgraphic.com/images/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdf
    • http://oddgraphic.com/images/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004866.bin
e38357219bd7cf300580f058b11ad97c9569ee6df5dc7346f797d1a49af1b364		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4866 25264 bytes
font_01_sfnt_off00008209.bin
401d56b29285354d6954c3c26e793cbeb56329cdc5209d9139ec018457d4ba23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8209 17712 bytes

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