PDF static analysis report

Static analysis result for SHA-256 f6e9f48225c864f2…

SUSPICIOUS

PDF

51.4 KB Created: 2021-06-08 17:50:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a41c7fb4919ae6845bbab91567ed653c SHA-1: 69559ef6a1b68ddd87f4e6be82eb619c433f2804 SHA-256: f6e9f48225c864f29031cf8c1ebcc7433bf23f8f263d8049dcd2cf5bec66d516
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for an external URI pointing to a game hack download, and a machine learning classifier flagged it as malicious. The document body, though heavily obfuscated, contains a URL that aligns with the heuristic finding. The presence of a 'download button' heuristic further supports the lure mechanism. The sample likely aims to trick the user into downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9685

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/dlc-script-hack-roblox-game-hack PDF link annotation
    • https://alisa.com.tw/upload/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/totally-free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/free-tiktok-followers-no-survey-or-verification_GM835599320.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/free-old-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/www-coinmaster_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/coin-master-free-spins-link-2021-no-verification_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/free-links-coin-master_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/earn-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/tiktok-free-hong-kong_GM835599320.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/coin-master-fan-page_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/cm-free-spin-link-today_GM406889139.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/roblox-shirt-template-free_GM431946152.pdfIn PDF document text
    • https://alisa.com.tw/upload/files/free-spins-coin-master-2021_GM406889139.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005134.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5134 25240 bytes
SHA-256: 5f2e55878847f565950efac24317e57ca13afdab0e2b236bae4f92548c64b9e5
font_01_sfnt_off00008b01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B01 3924 bytes
SHA-256: b746ba3a57b90e08879572bbe7881df15a71c38b09470fbbade98a25a8f1731d
font_02_sfnt_off000097d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97D0 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_03_sfnt_off0000a478.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA478 18752 bytes
SHA-256: 04227db2cb563f5294e73ce52af7a49efc3d3b50ed783d00a37ebd6301aad750

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