Malicious PDF — malware analysis report

Static analysis result for SHA-256 a948f6a914f631a2…

MALICIOUS

PDF

44.7 KB Created: 2021-06-08 23:22:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c57a44fa27282320a833e9656116ac64 SHA-1: 0efec6ff6bc20c22af01d3ba97bd12adf9cd9b28 SHA-256: a948f6a914f631a2a40edba8bf10e2d7831e1360bd446e221aaca09392656611
162 Risk Score

Malware Insights

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

The PDF document contains a link to a game hack generator, which is a common lure for malicious content. The presence of a fake CAPTCHA heuristic indicates the user is likely intended to be tricked into performing an action that would download or execute a payload. The document's structure and embedded links suggest it's part of a phishing or social engineering campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 6

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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
  • 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 https://netcdn.tw/app/431946152/roblox-bit-slicer-hacks-game-hack PDF link annotation
    • https://library.uigm.ac.id/repository/free-minecraft-account-and-password-2021_GM479516143.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/coin-master-app-for-free-spins_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/minecraft-windows-10-edition-hacked-client_GM479516143.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-robux-only-username-no-human-verification_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-script-hack_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/robux-free-2021_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-minecraft-coins_GM479516143.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/easy-robux-today-com_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-spins-coin-master-links-app_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-tiktok-likes-75_GM835599320.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/robux-free-online_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/wurst-112-2_GM479516143.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/claim-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/public-enemy-sun-prairie-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/coin-master-hack-no-verification-no-signup_GM406889139.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
font_00_sfnt_off00004fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FC3 26356 bytes
SHA-256: 590deaacb31be1154f27466c75a7ceaf3f1c3ad9e1beb1b0487c54635165f391
font_01_sfnt_off00008bc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BC6 18408 bytes
SHA-256: f98fd95fc8b5aaed24c25661128321a1ced9973dfa7dfa1a75dd4239354749a1

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