Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd0246f214be2faf…

MALICIOUS

PDF

43.9 KB Created: 2021-06-03 13:15:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0d78f9e99347c9626608a3e3c07ca234 SHA-1: 58a0dad50cf8ccc6fb2d852c0285de30473114c3 SHA-256: bd0246f214be2faf0e7b23f08cf644da2619b2f91e58d20aac5f2fa649ef494a
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document contains a lure for free in-game items, a common tactic for phishing or malware distribution. The presence of embedded URLs and a high ML classifier score indicate malicious intent. The document likely attempts to exploit a vulnerability to execute a payload or redirect the user to a malicious site for credential harvesting or further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/how-to-get-free-cards-sets-for-coin-master-game-hack
    • http://perpus.poltekeskupang.ac.id/repository/minecraft-login-free_GM479516143.pdf
    • http://perpus.poltekeskupang.ac.id//repository/free-card-link-coin-master_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/synapse-roblox-free_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/hack-coin-master-download_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id//repository/coin-master-free-spins-hack-link_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/how-to-get-roblox-premium-for-free-2021_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/free-downloads-for-coin-master-daily-rewards_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id//repository/how-to-hack-coin-master-ios_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/coin-master-free-spins-5-10-2021_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id//repository/coin-master-app_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/free-24-7-minecraft-server_GM479516143.pdf
    • http://perpus.poltekeskupang.ac.id/repository/easy-roblox-today_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/free-robux-with-no-verification_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/pop-slots-free-vegas-casino-slot-machine-game-coin-master_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/coin-master-60-spins_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id//repository/blox-world-free-robux_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/how-do-you-download-minecraft-for-free_GM479516143.pdf
    • http://perpus.poltekeskupang.ac.id//repository/how-do-you-get-free-roebucks_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/free-robux-gift-card-generator_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/minecraft-pe-apk-free-download_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005222.bin
6c50ca1acef05f7f41938ec557d81f0ff1b32d70e150589677a71710fd262431		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5222 24380 bytes
font_01_sfnt_off000089bc.bin
28f75b43f9722380b966cf8b0c528ec574198c6122b1958e13c92a798be1b323		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89BC 18048 bytes

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