Malicious PDF — malware analysis report

Static analysis result for SHA-256 02b8054bd7041ad7…

MALICIOUS

PDF

35.7 KB Created: 2021-07-02 03:13:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 56abb7b2f378489736102d9eea2af7bb SHA-1: 0999e12b642b2090a2dcce69e6dded976ea90358 SHA-256: 02b8054bd7041ad7353f381675e471509814d10e094ae4044b3e4df3e90e0867
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains numerous embedded URLs and a call-to-action phrase, strongly suggesting a lure for users to download a payload. The ML classifier also flagged this PDF as malicious. The presence of a password protection lure indicates an attempt to bypass security controls.

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.co/app/431946152/testing-5-ways-to-get-free-robux-game-hack
    • http://library.yamasi.ac.id/repository/roblox-promo-codes-generator-no-human-verification_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/coin-master-60-spins_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/how-to-get-cheat-engine-on-roblox_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/como-descargar-roblox-gratis-y-hackeado_GM431946152.pdf
    • http://library.yamasi.ac.id//repository/coin-master-hack-spin-160-pro_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/free-codes-for-roblox-trade-hangout_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/free-robux-2021-no-verification_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/speck-elements-hack-roblox_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/freerobux-hack-us_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/jailbreak-hacks-on-roblox_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/how-to-hack-wild-savannah-on-roblox_GM431946152.pdf
    • http://library.yamasi.ac.id//repository/how-to-hack-coin-master-ios-no-jailbreak_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/roblox-game-download-pc-free_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/roblox-hack-for-robux-with-out-a-veafication_GM431946152.pdf
    • http://library.yamasi.ac.id//repository/coin-master-free-spins-link-no-verification-2021_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/robux-free-no-surveys-or-password_GM431946152.pdf
    • http://library.yamasi.ac.id//repository/coin-master-hack-mod-game-download_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/free-roblox-shirts-templates_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/roblox-project-pokemon-hack_GM431946152.pdf
    • http://library.yamasi.ac.id//repository/coin-master-hack-2021-ios-download_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000327b.bin
ea42f0848f08a6499774836a94d7316546cf313ac5ab3d2b30fd0a97a6a53204		 pdf-font-stream PDF embedded font (sfnt) at offset 0x327B 22728 bytes
font_01_sfnt_off0000654d.bin
ccd5985f07c1b8e138ee1688d854133359843bb1eace058dbe43528ae47e636a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x654D 19452 bytes

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