Malicious PDF — malware analysis report

Static analysis result for SHA-256 82576fee60d6c4a5…

MALICIOUS

PDF

33.6 KB Created: 2021-07-05 19:20:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e7519fa3870835ee8cd2cf022798e061 SHA-1: cc0f12500be0a1da58da3bd6a9d7a76dcc8ef34c SHA-256: 82576fee60d6c4a514be7d9feaa9aeb309dcf33ed3b37ed2ad6b749c452af0b7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains numerous URLs and text related to free Robux and game hacks, strongly suggesting a phishing or scam lure. The presence of an external URI pointing to a suspicious domain indicates an attempt to redirect the user to a malicious download. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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 http://netcdn.tw/app/431946152/free-free-robux-game-hack
    • https://library.stikeswnpalu.ac.id/repository/free-unused-roblox-card-codes-2021_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/robux-hack-download-2021_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/coinmaster-rewards_GM406889139.pdf
    • https://library.stikeswnpalu.ac.id/repository/free-spins-coin-master-unlimited_GM406889139.pdf
    • https://library.stikeswnpalu.ac.id/repository/sex-in-roblox-hack_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/free-unused-robux-codes-2021_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/how-to-get-free-robux-promo-codes_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/tai-roblox-hack-robux_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/best-free-roblox-items-2021_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/roblox-robux-hack-no-survey-or-password_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/aristois-minecraft-hack_GM479516143.pdf
    • https://library.stikeswnpalu.ac.id/repository/free-roblox-glasses_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/official-coin-master-free-spins_GM406889139.pdf
    • https://library.stikeswnpalu.ac.id/repository/exploit-engine-roblox-free_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/coin-master-free-spin-now_GM406889139.pdf
    • https://library.stikeswnpalu.ac.id/repository/free-tiktok-fans-no-verification_GM835599320.pdf
    • https://library.stikeswnpalu.ac.id/repository/coin-master-hack-app-android-download_GM406889139.pdf
    • https://library.stikeswnpalu.ac.id/repository/roblox-hack-robux-games_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/roblox-free-robux-hack-2021_GM431946152.pdf
    • https://library.stikeswnpalu.ac.id/repository/roblox-free-credit-card_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e26.bin
460f8807fd17331b2d02e692889f0b0940c7cfbfb1f36831540cf8b3d67f223d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E26 22092 bytes
font_01_sfnt_off00005f09.bin
ae86725dd70d168e8b5a24377d7effb3bd88f81667aa3e091abc0f5759eb354b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F09 18716 bytes

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