Malicious PDF — malware analysis report

Static analysis result for SHA-256 5031f32872407f60…

MALICIOUS

PDF

42.1 KB Created: 2021-05-15 06:37:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 170b4417116cdee7a5f8fe267b1fdbad SHA-1: d111f97e42b3f8dfe04dd53d882e966294910f96 SHA-256: 5031f32872407f60e440a1c0771384b7fe96a69298ed7e3752c1e86a87bd956e
82 Risk Score

Malware Insights

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

The document displays a fake CAPTCHA or human verification prompt to trick the user into interacting with it. It contains an embedded URI pointing to a URL that appears to be related to game hacks, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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-free-spins-daily-game-hack
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/hackear-coin-master-android_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-links-coin-master_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/hack-coin-master-android-game_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-coin-master-cards-link_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021-hack_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-free-minecoins_GM479516143.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/microsoft-bing-free-robux_GM431946152.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-tools_GM479516143.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-robux-easy-and-fast_GM431946152.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/hack-coin-master-without-verification_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-free-chip_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/roblox-18_GM431946152.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/hack-game-coin-master_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-free-spin-today_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-spins-coin-master-ios-2021_GM406889139.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/client-minecraft_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a50.bin
cce6da346511fd9bbe537f2b70ee6dce16cea0e14d165e767089f556de13bad9		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A50 24316 bytes
font_01_sfnt_off0000822c.bin
220bb6194b1ab8a2bb399ca4a862914ac8d15b354bb0df2c737bc67699221dc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x822C 18308 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.