PDF static analysis report

Static analysis result for SHA-256 94195dab413320e2…

SUSPICIOUS

PDF

31.3 KB Created: 2021-07-19 14:22:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 836e467a6f59cbedf1273fa2d213094d SHA-1: 0f9a2d0f2a2862fc57ec2e233de0b4dfc8d98378 SHA-256: 94195dab413320e269b065a6bcc2abae4bb5dd6a98fc98c1a9ad576ec7d20265
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for "Free Robux No Download" and a call-to-action button, directing users to a suspicious URL. This pattern is commonly associated with phishing or scamming attempts designed to trick users into visiting malicious sites. No scripts were extracted, but the PDF structure and embedded URI heuristics indicate a redirection to a potentially harmful external resource.

Machine Learning

  • Nyx PDF Classifier clean score 0.0580

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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-no-download-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

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_off000025b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25B9 22008 bytes
SHA-256: b962f82ad6e8323cc332bf11a49a505bafafa0afc0bc2e239fed189ea59f01d2
font_01_sfnt_off0000566f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x566F 19008 bytes
SHA-256: 72e3a65839c32bde970c5e9c108b6cdefe5a1e283205e2ba54e9e9ddd761828c

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