PDF static analysis report

Static analysis result for SHA-256 4e10d8528ea7c124…

SUSPICIOUS

PDF

31.9 KB Created: 2021-07-19 13:07:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: bb61475b9314a96a47bf9d747cdf832c SHA-1: 22cec0a6815a150696dd6cbd3f3a8056098952c3 SHA-256: 4e10d8528ea7c12412d072ff16a759139e18e799944cf8b9680dee37511efb35
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'Free Robux' and a prominent 'CLICK HERE TO ACCESS ROBUX GENERATOR' call-to-action. It embeds an external URI pointing to 'netcdn.tw', which is highly suspicious. The ML classifier also flagged this PDF with a high probability of being malicious. The presence of embedded URLs and the document's theme suggest it's designed to trick users into downloading a potentially malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9532

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.tw/app/431946152/free-robux-legit-game-hack PDF link annotation
    • https://www.dc-itsolutions.com/userfiles/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • https://www.dc-itsolutions.com/userfiles/files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.dc-itsolutions.com/userfiles/files/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.dc-itsolutions.com/userfiles/files/robux-hack_GM431946152.pdfIn PDF document text
    • https://www.dc-itsolutions.com/userfiles/files/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://www.dc-itsolutions.com/userfiles/files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • https://www.dc-itsolutions.com/userfiles/files/how-to-hack-roblox_GM431946152.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
font_00_sfnt_off00002830.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2830 22100 bytes
SHA-256: 3b24daf7d34ec90eb9369d4283a87fcbb2fa47a45d43a3b23bc789251a64d03c
font_01_sfnt_off0000594f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x594F 18712 bytes
SHA-256: 0a3bb92d146b122749d57d36755b29a560cd1c032c54bb08c637f56f67b3a8e8

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