Malicious PDF — malware analysis report

Static analysis result for SHA-256 58799a67cb6e36c7…

MALICIOUS

PDF

46.7 KB Created: 2021-05-14 16:44:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 6c69085bf7e0a2781be7a61ddb41f24e SHA-1: 6e1301fa2baf906e2387911f3fc5b19f09e280e0 SHA-256: 58799a67cb6e36c7211f382a8286a7d3a6542c557034063d66f37c54a1a13079
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The document contains a lure for 'Coin Master Spins' and includes a high-risk heuristic for requesting recovery secrets or private keys. It also embeds external URLs, one of which is directly related to a game hack, suggesting a social engineering attempt to trick users into downloading malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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-spins-game-hack
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/www-rbxhut-com_GM431946152.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/toolbox-for-minecraft-pe-mod-apk_GM479516143.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-32-hack-apk-download_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-free-gold-cards_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-free-2021-spin-link_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/roblox-hacked-version_GM431946152.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/robuxlove-net-free-robux_GM431946152.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hack-download_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/free-robux-no-verify-2021_GM431946152.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/free-daily-spins-coin-master-2021_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hack_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-app-hack_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/free-minecraft-bedrock-server-hosting_GM479516143.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-latest-version-hack_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/download-hack-coin-master-apk_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-phone_GM479516143.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/how-to-make-free-robux_GM431946152.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-free-spin-daily-bonus_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/coin-master-spin-ml-link_GM406889139.pdf
    • https://learning.mtsn1sukabumi.sch.id/__statics/gudangsoal/files/free-coins-coin-master-hack_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004be1.bin
64f83de39f4e9525aa5b1180ba7ab775f4526fb205175d59427f3481c71208aa		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BE1 27804 bytes
font_01_sfnt_off00008b95.bin
c8780c36cbd7b68556bee1903ce902c42a0217aeb75790306612d0c333785550		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B95 2912 bytes
font_02_sfnt_off000095a4.bin
9e6e11cb276c7dd66a19f48669c6f0c9fad7b2850a2ee7a5573e48fd717a5b28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95A4 17724 bytes

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