Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f25e64188f465c6…

MALICIOUS

PDF

41.9 KB Created: 2021-05-10 20:02:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f2ba5552d3e7db2f653a843732020568 SHA-1: 11152d367f182c9c9c0650d64d0d58eb5f76095b SHA-256: 2f25e64188f465c63b42e6ee45118125c45f95593e43f7260bb93b91fd64e25c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/coin-master-hack-app-game-hack PDF link annotation
    • https://opac.itp.ac.id/repository/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-hack-mod-apk-2021-download_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/how-to-get-free-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/hack-coin-master-game-apk-download_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-fun-free-spins_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/free-robux-glitch_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/daily-coin-master-link_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/play-roblox-for-free-on-google_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/minecraft-aimbot_GM479516143.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/robux-miner_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/free-spins-coin-master_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
stream_003_off0000478d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x478D 25416 bytes
SHA-256: b4cbe4a5a160f25bef996643eb0b70d85875194036a869b801e66531137ea72e
font_01_sfnt_off00008283.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8283 17892 bytes
SHA-256: f939fda97690d6a809d743b342add8ec97984f5e978608423f32dd39679c4d64

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