Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebfa4ada19c8a0e7…

MALICIOUS

PDF

41.7 KB Created: 2021-05-19 04:11:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 69f90d20426a44b477a4e0c20fb0ddfe SHA-1: 962f20dc5b1d741f3245a44506324c2bf816ccc1 SHA-256: ebfa4ada19c8a0e7bb620bb13cd7b5dbacbfb3192eaaa4828626c3e35626a3f2
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs, including one pointing to a 'pokemon-go-free-8-bit-sprites-game-hack', suggesting a lure for users to download potentially malicious content. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of numerous links and the document's theme indicate an attempt to trick users into downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/1094591345/pokemon-go-free-8-bit-sprites-game-hack
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/mcpe-116_GM479516143.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-today-50_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-download_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/free-promo-codes-for-robux_GM431946152.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/roblox-robux-hack-generator_GM431946152.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/free-roblox-animations_GM431946152.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/free-robux-come_GM431946152.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/free-spin-app-coin-master_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/roblox-arsenal-hack_GM431946152.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/free-spin-coin-master-game_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/how-to-get-more-robux-for-free_GM431946152.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/coin-master-free-spins-8-14-2021_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/watch-videos-for-robux_GM431946152.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/minecraft-hacker-skin_GM479516143.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/moonactive-free-spins-2021_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/coin-master-free-bonus_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coin_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/coin-master-cheats-2021_GM406889139.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/free-mojang-account-with-minecraft_GM479516143.pdf
    • https://elearning.manbarsel.sch.id/__statics/gudangsoal/files/free-spins-coin-master-app-iphone_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a10.bin
693ebed32dfdfff4869acfa461e85514db94f5dac150f33bac1df5e36cbbbe87		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A10 23724 bytes
font_01_sfnt_off00007fc5.bin
31e270f1c6b258d90fabdd56b2770bb04ba55233077d49edf49fbebffa0ff60a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FC5 18668 bytes

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