PDF static analysis report

Static analysis result for SHA-256 c17a6b784cac05c6…

SUSPICIOUS

PDF

46.0 KB Created: 2021-06-13 16:40:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c3036aeb0d29b02a895a1f7248fceb2c SHA-1: 855aa83a477a8ce8f6f601dcba69dcd8928d2fce SHA-256: c17a6b784cac05c6e5a32453a500321fbff1bb5edd319d7bddca0fd9a93b1ed8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs and text fragments related to game hacks and free in-game currency, indicating a lure for users to download potentially malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a suspicious nature. Although no scripts were explicitly extracted, the document's structure and content suggest it's designed to facilitate the download of a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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 http://netcdn.co/app/431946152/robux-free-hack-human-no-verification-2021-game-hack PDF link annotation
    • http://www.sfakia-online.com/images/coin-master-cards-free_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://www.sfakia-online.com/images/robux-hack_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/roblox-ninja-legends-pet-hack_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/robux-for-free-script_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-robux-boi_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-followers-on-roblox-no-verification_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/freecoins_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/how-to-cheat-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/roblox-bundles-free_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/yammy-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/minecraft-mobile-free_GM479516143.pdfIn PDF document text
    • http://www.sfakia-online.com/images/bundle-roblox-free_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
stream_004_off00005315.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5315 25380 bytes
SHA-256: a0eff6d185e2746aa2f50ac428b17d6fbbabf69e04a27096d5df644e1b953daa
font_01_sfnt_off00008dda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DDA 19432 bytes
SHA-256: ed7fbb47db0389bfdc3bd9531445e458a2ff3db71d6e17bd2a913785159016fc