Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce5cddc9ebacd64e…

MALICIOUS

PDF

41.5 KB Created: 2021-05-10 15:00:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: bd8c50745419eae6d28474aa9c5389ad SHA-1: d6e0b980ac224b97fa829dcb46781c0848551745 SHA-256: ce5cddc9ebacd64e76be8bd60f49e3808fbaa0f4848bc58d6603ebf0311ee61a
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-apk-link-game-hack PDF link annotation
    • https://www.sonestad.se/library/repository/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-codes-not-used_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/minecraft-hack-app_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-app-hack_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-coin-master-generator_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-get-infinite-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-free-spins-link-quora_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/mc-update_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hack-pc-2021_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-free-spins-link-october-2021_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_off0000480d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x480D 25060 bytes
SHA-256: c473f069935701eead4973356aba8fdad692b32a4ce1a23fb355526061882622
font_01_sfnt_off000080ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80EE 17892 bytes
SHA-256: f939fda97690d6a809d743b342add8ec97984f5e978608423f32dd39679c4d64

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