Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e02201abae6d17f…

MALICIOUS

PDF

36.0 KB Created: 2021-07-03 18:37:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ce04d6f44769874e28153be04c6290cd SHA-1: d5a918e7fd44329783239d0dfd34e3011ba43cd2 SHA-256: 5e02201abae6d17f860e3842b3699c0a432195a7c5fbb5625520ce953e5baca3
82 Risk Score

Malware Insights

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

The PDF contains embedded URLs and a visual call-to-action, suggesting it is designed to trick users into downloading malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document may also provide instructions for accessing password-protected malicious archives, further supporting a malware delivery scheme. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/431946152/roblox-stylish-animation-free-game-hack
    • http://library.gkigadingserpong.org/repository/hack-roblox-transformaciones_GM431946152.pdf
    • http://library.gkigadingserpong.org/repository/how-to-get-free-robux-without-any-verification_GM431946152.pdf
    • http://www.library.gkigadingserpong.org/repository/free-spin-generator-for-coin-master_GM406889139.pdf
    • http://library.gkigadingserpong.org/repository/how-to-get-free-robux-2021_GM431946152.pdf
    • http://www.library.gkigadingserpong.org/repository/how-to-get-free-spins-coin-master_GM406889139.pdf
    • http://www.library.gkigadingserpong.org/repository/free-robux-come_GM431946152.pdf
    • http://library.gkigadingserpong.org/repository/coin-master-free-chip_GM406889139.pdf
    • http://library.gkigadingserpong.org/repository/coin-master-app-hacks_GM406889139.pdf
    • http://www.library.gkigadingserpong.org/repository/coin-master-free-cards-link_GM406889139.pdf
    • http://library.gkigadingserpong.org/repository/roblox-re_GM431946152.pdf
    • http://www.library.gkigadingserpong.org/repository/hacks-for-coin-master_GM406889139.pdf
    • http://library.gkigadingserpong.org/repository/how-do-u-get-free-robux-on-iphone_GM431946152.pdf
    • http://library.gkigadingserpong.org/repository/minecraft-on-computer-free_GM479516143.pdf
    • http://www.library.gkigadingserpong.org/repository/free-coin-master-account_GM406889139.pdf
    • http://library.gkigadingserpong.org/repository/how-to-get-free-items-in-the-roblox-catalog_GM431946152.pdf
    • http://www.library.gkigadingserpong.org/repository/how-do-you-get-free-robux-on-roblox_GM431946152.pdf
    • http://library.gkigadingserpong.org/repository/get-free-spins-coin-master-2021_GM406889139.pdf
    • http://library.gkigadingserpong.org/repository/hack-roblox-account-to-get-password_GM431946152.pdf
    • http://www.library.gkigadingserpong.org/repository/coin-master-free-mighty-lion-card_GM406889139.pdf
    • http://www.library.gkigadingserpong.org/repository/free-minecraft-mods-for-ps4_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033c9.bin
13c04de6490e6a5c49b92d7548dc8c4061ea6f4a76f99b0f542aeb9ae78f5fcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33C9 22780 bytes
font_01_sfnt_off00006728.bin
b4c7e47d0acdd03349622c38212eeef4d981ea46bac28b77dad14c83e783f21b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6728 19296 bytes

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