PDF static analysis report

Static analysis result for SHA-256 9be978ff5635dbb5…

SUSPICIOUS

PDF

44.8 KB Created: 2021-06-07 21:07:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: dcbaf76eecc0a442caa6aac5866b91cb SHA-1: d8f3bfac2c1989257bc92dce9ee7199814505ec5 SHA-256: 9be978ff5635dbb57897a89364e9d916fc195c72ff0363cc59c300c823187cf8
42 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and a visual download button, strongly suggesting a lure to download potentially malicious software. The ML classifier also flagged this PDF with high confidence. The primary URL points to a 'synapse-roblox-hack-download-game-hack', indicating a social engineering attempt to trick users into downloading a game cheat or exploit.

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/synapse-roblox-hack-download-game-hack PDF link annotation
    • http://bit-sky.com/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-hack-software_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-free-spin-link-today-download_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/minecraft-free-download-2021_GM479516143.pdfIn PDF document text
    • http://bit-sky.com/images/does-roblox-premium-expire_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-free-daily-spins-today_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/hack-coin-master-without-root_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-hackhub-coin-master_GM406889139.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004de8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DE8 27784 bytes
SHA-256: 73b2679422bfdd663efd8f47e24e57b91cf3552a85fba21c71b8801efec628c2
font_01_sfnt_off000089c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89C5 19044 bytes
SHA-256: 8b9acf0837555f47d43206e39968efe19bb30f9ee70aa79676a96329df416a0e

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