Malicious PDF — malware analysis report

Static analysis result for SHA-256 7080d907080a95da…

MALICIOUS

PDF

34.5 KB Created: 2021-07-03 16:55:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2e359a32c0d96bf06e0bb2a59b60fa28 SHA-1: 6b39adbb66bb4b208f5caa9f822a2dde59a73e0d SHA-256: 7080d907080a95da1a6ccc06810ff78e042e595e1447300df48a6a758abe9fc2
62 Risk Score

Malware Insights

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

The document contains numerous embedded URLs and a prominent link in its body text, all related to obtaining free in-game currency or hacks for popular games like Coin Master and Roblox. This strongly suggests a lure to a malicious website designed to trick users into downloading malware or providing personal information. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/coin-master-daily-free-spins-hack-game-hack
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/try-minecraft-free_GM479516143.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast_GM431946152.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/free-tiktok-likes-trial_GM835599320.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/withdraw-robux_GM431946152.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/get-coin-master-hack_GM406889139.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/minecraft-online-free-download_GM479516143.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/robuxlove-net-free-robux_GM431946152.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/coin-master-offline-hack_GM406889139.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/coin-master-fan-page-free-spins_GM406889139.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/roblox-hacks-2021_GM431946152.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/how-to-get-free-tiktok-coins_GM835599320.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/can-you-get-robux-for-free_GM431946152.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/free-minecraft-maps-pe_GM479516143.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/2021-no-human-verification-hack-for-coin-master_GM406889139.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/free-minecraft-skins-xbox-one_GM479516143.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/coin-master-hack-no-human-verification_GM406889139.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/coin-master-free-coins_GM406889139.pdf
    • https://ruangpintar.man1gresik.sch.id/__statics/gudangsoal/files/minecraft-realms-free-trial_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003129.bin
8c8c898f2700405d9e75b3bc60627b105bf0323027ce51a4098ca19552914d8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3129 22264 bytes
font_01_sfnt_off000062a6.bin
885b437ffb6a2e907b5272b9319324c7b731dd89f98c7e9cd3a0ba9ca39a1a89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62A6 18768 bytes

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