Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b9d0f3a5745be63…

MALICIOUS

PDF

41.6 KB Created: 2021-05-16 18:04:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: fec1c7fe594153fd4e1fa9d29b4ec28d SHA-1: cf33f16027649dd9e5249d0847d49d4eef8fe854 SHA-256: 7b9d0f3a5745be63aca507cf453294c354e0bea5e600710208e232c6c6d25eb4
62 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 and downloads, strongly suggesting a lure for malicious content. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of numerous links and the document's theme indicate an attempt to trick users into downloading malware or visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/earn-robux-today-game-hack PDF link annotation
    • http://sbm-nn.ru/images/minecraft-apk-free-download-016-0_GM479516143.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-minecraft-shaders_GM479516143.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/hack-coin-master-nyc_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-account-roblox-2021_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/latest-free-spin-coin-master-daily_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/hack-coin-master-apk-358_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-hack-xyz-download-free_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_off00004630.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4630 25172 bytes
SHA-256: 5952314c79f00eefa6948680561ad4f7ce458a29b66572cb7cfc9cde82171d70
font_01_sfnt_off00007f7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F7B 18432 bytes
SHA-256: 50fc1adeb895ae30588f73a493889120d8bf728fc3821c38df9289c33b75de2a

Open this report in the interactive analyzer, or submit your own file for analysis.