Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d4cca0a26798f87…

MALICIOUS

PDF

46.5 KB Created: 2021-05-31 21:28:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 591b190acecaf0499cbde0fda4ff153b SHA-1: f5943d9a8b791f86670ab5d65615335724f3a952 SHA-256: 4d4cca0a26798f87a4ea5573a901aaf6d2e28ef6f0e57f8ac6199704f0aec628
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document presents a fake CAPTCHA lure to deceive users into executing malicious actions, likely leading to the download of further malware. The presence of numerous URLs related to hacking and free game items suggests a phishing or scamming attempt. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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/how-to-hack-shirts-on-roblox-game-hack PDF link annotation
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/hack-roblox-android-apk_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-real_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-verified-on-tiktok-for-free-2021_GM835599320.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/roblox-piano-hack-download_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-tiktok-views_GM835599320.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-co_GM431946152.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000054f0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x54F0 26288 bytes
SHA-256: 4717a6d2c9c9fb0c9408b77be50bcaed997d6fd1e2b011882e3f1906d231cf31
font_01_sfnt_off0000920e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x920E 18736 bytes
SHA-256: 49ccb32d750e58b168cde86dcf37c2005172418c5eadf8455b6735c5546551ae

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