PDF static analysis report

Static analysis result for SHA-256 4b712ac8392a2913…

SUSPICIOUS

PDF

44.1 KB Created: 2021-05-12 01:48:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b6159dd0f699df1c4050352c6d59fc6f SHA-1: c075c49eaa0953d9b45c046e05fb4c3193d26be1 SHA-256: 4b712ac8392a29138b8ef98dac8f129265d399c4c17e95f54ad973ed326fa584
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to sites offering game-related cheats or hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of these links suggests an attempt to redirect users to download potentially harmful content. No scripts were extracted, but the document's structure and embedded links indicate a lure for malicious downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/431946152/how-do-i-earn-robux-game-hack PDF link annotation
    • http://ghknights.org/images/coin-master-spins-for-free_GM406889139.pdfIn PDF document text
    • https://www.ghknights.org/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://ghknights.org/images/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ghknights.org/images/free-robux-obby_GM431946152.pdfIn PDF document text
    • https://www.ghknights.org/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://ghknights.org/images/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • http://ghknights.org/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://ghknights.org/images/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • http://ghknights.org/images/try-minecraft-free_GM479516143.pdfIn PDF document text
    • https://www.ghknights.org/images/links-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://ghknights.org/images/offers-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://ghknights.org/images/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://ghknights.org/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ghknights.org/images/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
    • http://ghknights.org/images/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ghknights.org/images/you-promised-my-son-free-robux_GM431946152.pdfIn PDF document text
    • http://ghknights.org/images/how-to-get-a-free-dominus-in-roblox_GM431946152.pdfIn PDF document text
    • http://ghknights.org/images/rewards-roblox_GM431946152.pdfIn PDF document text
    • http://ghknights.org/images/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • https://www.ghknights.org/images/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000046ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46BA 25200 bytes
SHA-256: 393329bf39a772d8c410db88d5a0a010aa0e9bf6cfab7418661fd1eff267f27c
font_01_sfnt_off00007f97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F97 2820 bytes
SHA-256: d88f25cfe237a714f996150a11dd8a058f0f7c3e9d1ae91c17b46c10409b6c0b
font_02_sfnt_off00008931.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8931 18408 bytes
SHA-256: 350582f1d58d1735b3ef44c6ea1125d20f3e73fdc3e97f575fa3cd3422386c7e

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