PDF static analysis report

Static analysis result for SHA-256 9a52459c2da56e8f…

SUSPICIOUS

PDF

44.4 KB Created: 2021-06-08 10:12:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 341d6a2dca2a53e6cf217c13299c8c43 SHA-1: 1c5c70d2a7ae421330384fa94674f6cfa86db874 SHA-256: 9a52459c2da56e8f8b2bfde9f309ca464ac95f98ae27f23b9ed9d3565e272c89
42 Risk Score

Malware Insights

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

This PDF document exhibits suspicious behavior, flagged by an ML classifier with high confidence. It contains embedded URLs and a visual download button, suggesting an attempt to trick the user into downloading a secondary payload. The primary URL identified is https://netcdn.tw/app/431946152/cyberchase-hacker-roblox-game-hack, which likely hosts the malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 3

  • 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.tw/app/431946152/cyberchase-hacker-roblox-game-hack PDF link annotation
    • https://reggieslockandkey.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-free-spin_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-free-spins-link-download-apk_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-coin-master-spins-without-human-verification_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-roblox-outfits-2021_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-roblox-acc_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://reggieslockandkey.com/images/dantdm-robux-hack_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-live_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/can-you-hack-for-robux_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-hack-programmers_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-hack-version-download-ios_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-roblox-passwords_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-install-free_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004f6e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F6E 25788 bytes
SHA-256: c7d4fac1272c7ca69cc64f9d405462f48c6a92581f335a7f50fcede4c3aa6143
font_01_sfnt_off00008a59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A59 18528 bytes
SHA-256: 8ef28ad97c84619d33dfc03093237029bffa3c96ddc9ef74da65c5876a05d1a8

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