Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ae1e856f55f9dcc…

MALICIOUS

PDF

45.7 KB Created: 2021-06-08 08:35:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 08b1f703b2f673324953a6cb5d03357a SHA-1: 06d79890041a84f8b3aebea98460960dda6f2a21 SHA-256: 6ae1e856f55f9dccd65be9bef4aec91f84b78e39afe956e11edc5dafb9a1aa4d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains embedded links that redirect to websites promising game hacks and free currency, a common lure for phishing or malware distribution. The ML classifier strongly indicated maliciousness, and the presence of multiple game-related lures suggests a social engineering attempt to trick users into visiting potentially harmful sites. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed for user deception.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • 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.
  • 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/how-to-get-free-money-on-adopt-me-roblox-game-hack PDF link annotation
    • http://reggieslockandkey.com/images/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-free-spins-without-verification_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-cheats-november-2021_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-on-console_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-tiktok-hearts_GM835599320.pdfIn PDF document text
    • https://reggieslockandkey.com/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/minecraft-pc-free_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-wall-hack-2021_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/robux-now_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/minecraft-hack-ios_GM479516143.pdfIn PDF document text
    • https://reggieslockandkey.com/images/minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-free-spins-and-free-coins_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/how-to-hack-coin-master-game-ios_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-robux-without-verification_GM431946152.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
font_00_sfnt_off000052ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52CE 25592 bytes
SHA-256: 7ebcd0cef23d559a12ca020d4c56ac49cb3932c0a9a8482821fcb78df4ff57c0
font_01_sfnt_off00008e25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E25 18940 bytes
SHA-256: 5b85af30eab6e3ce6fc09c76adbd48b2f8bdc2ebc1fc6034cf5d2e9db3fcd19d

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