Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fb4f8ecce118cb6…

MALICIOUS

PDF

35.5 KB Created: 2021-06-29 15:43:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 302307cde2e1804e85741ce1cdbda482 SHA-1: aafcc20b82b661671775321fa4ef074cdbc31c47 SHA-256: 6fb4f8ecce118cb63f80f271c7b2dc0a9c4b3e777fb3ac9bdddfd7e99b8ce164
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "free generator / game hack" which is a common social engineering tactic to trick users into visiting malicious websites. The embedded URL points to a site offering game hacks, likely a scam or a distribution point for further malware. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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.co/app/431946152/roblox-hide-and-seek-free-online-game-for-kids-game-hack PDF link annotation
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/seiten-zum-robux-hacken_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/roblox-free-robux-app_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/urbexclub-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/free-generator_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/chisel-and-bits-mod-pe_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/free-minecraft-hosting-24-7_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/how-to-make-a-server-in-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/free-robux-pins_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/free-minecraft-account-and-password_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalmanar.com/__statics/gudangsoal/files/free-roblox-gear_GM431946152.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_off00002f57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F57 23492 bytes
SHA-256: 9777f6cb0be5f466d49f624d5de7e57bedf79efe0aa8965b63a4b76cf70c2546
font_01_sfnt_off000064d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64D6 19376 bytes
SHA-256: 1a610eaccc89d44619ffd68a97dbf5a7dffbf2f30ba861ee71d011547f972e2a

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