Malicious PDF — malware analysis report

Static analysis result for SHA-256 adc6e1e0f6dcf176…

MALICIOUS

PDF

42.3 KB Created: 2021-05-15 10:04:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 766539872075e32759860fe6a67ab54c SHA-1: 91a364001dcc5944165cb5ea1c6ff9db1e99a7bd SHA-256: adc6e1e0f6dcf176e90584fff635ac6654374548686a66d31530d1756d475ef0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs that lead to websites offering 'game hacks' for popular mobile games like Coin Master and Robux. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates a social engineering tactic to trick users into visiting potentially malicious sites. While no scripts were directly extracted, the nature of the lures and the embedded URLs suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/como-hackear-el-juego-coin-master-game-hack PDF link annotation
    • https://alanachanger.com/ckfinder/userfiles/files/free-coin-master-s_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/coin-master-free-chip_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/coin-master-free-spins-iphone_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/free-robux-obby_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/free-robux-quiz_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/offers-to-complete-and-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/minecraft-free-exe_GM479516143.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/robuxy-com-generator_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • https://alanachanger.com/ckfinder/userfiles/files/coin-master-game-hack-apk_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
stream_003_off0000479b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x479B 25236 bytes
SHA-256: 8bf526104ccf51396875a83b8f4ae81c130edcec78341ea56ae7787c6415e7f2
font_01_sfnt_off000081e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81E8 18644 bytes
SHA-256: d3c511751d4884b0e0ce286b66e2a6449449325efd521a4fb279194b2f80a8bb

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