Malicious PDF — malware analysis report

Static analysis result for SHA-256 e76977c68e55c23c…

MALICIOUS

PDF

45.7 KB Created: 2021-05-15 02:01:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 6d879e7cd641c69b58123a5a38a6a445 SHA-1: 993dfd6efc3fc4104de822d46e3b2f958a1c4b6d SHA-256: e76977c68e55c23c1f0016c2c89492621b25823a8358adfaef84d764c3551343
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure and a call-to-action for a 'Robux Hack Generator', aiming to trick users into clicking a malicious link. The embedded URL, https://netcdn.xyz/app/431946152/robux-hack-generator-game-hack, is the primary indicator of a potential download or further compromise. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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.xyz/app/431946152/robux-hack-generator-game-hack PDF link annotation
    • https://scraperite.com/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-fun-hack-online_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/roblox-place-rewards_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/rape-simulator_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-mod-apk-2021_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/wurst-client-112-2_GM479516143.pdfIn PDF document text
    • https://scraperite.com/images/robux-cheat_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/how-to-setup-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://scraperite.com/images/roblox-hack-me_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/minecraft-free-version_GM479516143.pdfIn PDF document text
    • https://scraperite.com/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-free-attack-link_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/free-minecraft-server_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000044fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44FD 26928 bytes
SHA-256: 99ba867ad567879a8b38e7a5e061b3ed6c1ed19570c9efd491fb06e22d9b6ad8
font_01_sfnt_off00008279.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8279 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off00008f8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F8B 18352 bytes
SHA-256: f5433ce3dc9930d213a8e7315569ee207b9df6dd56817c97a1fb358bc14a6a3b

Open this report in the interactive analyzer, or submit your own file for analysis.