PDF static analysis report

Static analysis result for SHA-256 15c66caf66c445b5…

SUSPICIOUS

PDF

45.4 KB Created: 2021-06-09 11:48:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 17c1f3ba3e3d72639779a76960878f48 SHA-1: d3983a08172b8ef6d77259c7e423a7e98d2b313d SHA-256: 15c66caf66c445b5da2cea13bc460d26000b4e9f7aa1dd883bfac86606d1b4fe
42 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs and a visual call-to-action, strongly suggesting a phishing or social engineering attempt to trick the user into downloading malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The primary IOC is the URL pointing to game-related hacks.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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/v3rmillion-roblox-hack-game-hack PDF link annotation
    • http://library.gkigadingserpong.org/repository/free-modded-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/coin-master-free-spin-link-daily_GM406889139.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/minecraft-pe-hack-client-ios_GM479516143.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-do-u-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/roblox-dominus-free_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/how-to-get-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/robux-now_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/coin-master-free-spins-daily-1-ga_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-hats-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/mcpe-hacks_GM479516143.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_off00004fbc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FBC 27068 bytes
SHA-256: 86fd87fe037b3dbbca8308fe4efb2cc4b4636abb50af0f46a5411dafd9870f79
font_01_sfnt_off00008d35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D35 18872 bytes
SHA-256: bede8e0d8e4aec1740b072499f8e8bd55732170adf2cdd7f2eb19ca3c628fe73

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