PDF static analysis report

Static analysis result for SHA-256 cd5ca6997f549584…

SUSPICIOUS

PDF

44.8 KB Created: 2021-06-07 14:26:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 12778b508c4fbec2c6edb3636900a7b3 SHA-1: d85a9e27fffbef05494f4ffa58235345f8379e48 SHA-256: cd5ca6997f549584744ee8cbe0c4f0888dcd45442f2b6246ec90ad374c60b792
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains embedded links and a document body that attempts to lure the user with content related to "how to hack on Roblox". The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests it is designed to redirect the user to a potentially harmful resource. The primary goal appears to be tricking the user into downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 3

  • 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.tw/app/431946152/how-to-hack-on-roblox-null-injection-game-hack PDF link annotation
    • https://gigbagwinkel.nl/images/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/coin-master-links-2021_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/minecraft-ps4-free_GM479516143.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/coin-master-hack_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/is-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/tiktok-free-fans_GM835599320.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/coin-master-free-spins-link-without-human-verification_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/apk-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/heroes-online-roblox_GM431946152.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/how-to-get-minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/roblox-robux-hack-2021-december_GM431946152.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/free-roblox-accessories_GM431946152.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/coin-master-free-spins-haktuts_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_004_off00004fab.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FAB 26564 bytes
SHA-256: 5a5eaa0f69d390353e72a8f185df481ae4e7329019b1bd12f6bc45a6d766ea22
font_01_sfnt_off00008a7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A7C 18896 bytes
SHA-256: d955a7d1fd891af3bed6eb0a13ce836765394ec349691352361a1f21c96c2802