PDF static analysis report

Static analysis result for SHA-256 0b3c92762b54c8a8…

SUSPICIOUS

PDF

42.6 KB Created: 2021-05-17 02:09:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0d4cc0ff8890cff09fe4a9901e80b7c9 SHA-1: 3c28e3d998b7354e800c4d7e80d69c0175d7a8d6 SHA-256: 0b3c92762b54c8a8741707b3685578aad05d6d8cae70b65d5d9496d8b7e3626c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded URLs and a prominent external URI pointing to resources advertising free game hacks for Coin Master. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though partially corrupted, contains text related to game hacks and download links, reinforcing the lure-based attack pattern. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/coin-master-spin-and-coins-free-game-hack PDF link annotation
    • http://sbm-nn.ru/images/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/roblox-free-hats_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-robux-com-2021_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/static-moonactive-net-link_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-coin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/minecraft-114-download_GM479516143.pdfIn PDF document text
    • http://sbm-nn.ru/images/no-human-verification-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-hacks-for-iphone_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-spin-hack-2021_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/rewardrobux-com_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-free-spins-link-blogspot-today_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_off00004a5c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A5C 26164 bytes
SHA-256: 882e63971c7c558c1953778db23e1df2026f652f143bcbdda5b4fc6705f7dad3
font_01_sfnt_off000084e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84E4 18060 bytes
SHA-256: aba7dcfd42a0f74c9e892866c2c78c20b6cae4d7af540321f27c32cc6aee9396