Malicious PDF — malware analysis report

Static analysis result for SHA-256 9334d499a8ae6c05…

MALICIOUS

PDF

37.8 KB Created: 2021-05-13 10:04:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: d18f97638f4f1177077b6e79cdf489ae SHA-1: d11de4da8a0306d70029c7c2b831e31090c13709 SHA-256: 9334d499a8ae6c05d2d79f9a6cda69e02d5cc24967850208edd8d1eb9b4b8947
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for a "Free Robux Generator" and includes a critical heuristic firing for "Recovery secret / private key request", suggesting a phishing attempt. The embedded URL points to a domain commonly associated with malicious content. While no scripts were directly extracted, the document's structure and content strongly indicate a phishing or scamming attempt, likely leading to credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

Heuristics 4

  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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/free-robux-generator-no-verification-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35CA 26660 bytes
SHA-256: 3b66502a7271efaa85ed8464a194bc3dc901d3b1cacb788d4b3085e6570492c4
font_01_sfnt_off00007176.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7176 18600 bytes
SHA-256: fd611ad94f1c5362e5936d61a0ca6686a852f181e3b69dadbb107f1a26b259f7

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