Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb6a8969f7168a9d…

MALICIOUS

PDF

47.6 KB Created: 2021-05-11 19:11:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 29be4002c5eda1ef7d17703b10ffd6bd SHA-1: adb7930c45453f41e0698b7d4a5a5ac2c67d545f SHA-256: eb6a8969f7168a9d4f39104aa2c8f2ca351c1c9e84a338a8bff73b8e23d333c7
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 0.9013

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/479516143/how-to-get-free-minecraft-windows-10-game-hack PDF link annotation
    • https://deutsch-study.com/image/data/files/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-latest-version-hack_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/free-roblox-followers-generator_GM431946152.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-hack-tool-access-online-generator_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/easy-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-hack-unlimited-spins-apk_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-hack-apk-35-8_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-links-to-get-free-spins_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-key-free-spin_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/free-robux-no-password_GM431946152.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/oprewards-free-robux_GM431946152.pdfIn PDF document text
    • https://deutsch-study.com/image/data/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C3C 29024 bytes
SHA-256: 0890c0e736a5984b6c4bae2a0d7281094527bfa9f771c3313987292b76f41124
font_01_sfnt_off00008d1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D1C 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off000096cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96CD 18524 bytes
SHA-256: fe6ad3553d22b3ca012de373afe6f753a0e0722d907aa022396de61a87271ffc

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