Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ec084607d648e91…

MALICIOUS

PDF

35.3 KB Created: 2021-07-05 06:33:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 69bc4ad47417c07b79751e6215a1f9d4 SHA-1: 028d2811ecf55ccb4df85380ae177796e21868d6 SHA-256: 2ec084607d648e91f1e61bda883e94558ec26f6041142198922680f8b6ea6d8e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple external links disguised as game hacks and generators, with a primary lure pointing to 'play-roblox-for-free-on-google-game-hack'. This pattern suggests a phishing or malware distribution attempt, likely leveraging social engineering to trick users into visiting malicious sites. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/play-roblox-for-free-on-google-game-hack PDF link annotation
    • http://librarysenior.com/repository/coin-master-hack-pro_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/tiktok-freepik_GM835599320.pdfIn PDF document text
    • http://librarysenior.com/repository/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/coin-master-hack-safe_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/hacker-coin-master_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/cool-roblox-weapons-cheat-engine_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/minecraft-free-download-android-apk-014-0_GM479516143.pdfIn PDF document text
    • http://librarysenior.com/repository/free-nike-roblox-shirts_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/real-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/roblox-free-pets_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/how-to-make-a-minecraft-bedrock-server-for-free_GM479516143.pdfIn PDF document text
    • http://librarysenior.com//repository/coin-master-free-spins-reddit_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/earnrobux_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/minecraft-logo-maker-free_GM479516143.pdfIn PDF document text
    • http://librarysenior.com//repository/minecraft-handbook_GM479516143.pdfIn PDF document text
    • http://librarysenior.com//repository/coin-master-spin-hack-trick_GM406889139.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_off00003299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3299 22748 bytes
SHA-256: bd829aff9f767daca0c3d0c80978208713d1e93a18fb74a3a6b38bae46300d01
font_01_sfnt_off00006556.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6556 18984 bytes
SHA-256: 56ffabe4933183b7fa722280210ce5f85d8428cd1a4b636c5686816a68fd1a3b

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