PDF static analysis report

Static analysis result for SHA-256 751e365cf8db5d67…

SUSPICIOUS

PDF

40.1 KB Created: 2021-05-17 06:44:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d8cb02d3f03c957948280a36aad205b7 SHA-1: 64a51dfaf3e560efbd4f34c8ee17205e459bda30 SHA-256: 751e365cf8db5d67b29ceb1d58cf5036506d04558bb2d12600b4bb5c46165c7b
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a fake CAPTCHA lure and a visual download button, aiming to trick the user into interacting with a malicious link. The embedded URL points to a site offering a 'Roblox Generator', further suggesting a scam or potentially malicious download. No scripts were extracted, but the presence of a fake CAPTCHA and a suspicious URL indicates a social engineering attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/hey-google-how-do-you-get-free-robux-game-hack PDF link annotation
    • 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
stream_003_off000032c1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32C1 25876 bytes
SHA-256: 538c8048df791220e5b362d798ae1f7095585eb48e540c04a67e8eb3e069935c
font_01_sfnt_off00006ee7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EE7 2820 bytes
SHA-256: 972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714
font_02_sfnt_off00007886.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7886 19156 bytes
SHA-256: 2eaf05fb5b81c851c34d40d7c07e26ddd9b324a9c4f95fd917841cb6815dc612

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