Malicious PDF — malware analysis report

Static analysis result for SHA-256 e314ea106bd49332…

MALICIOUS

PDF

37.3 KB Created: 2021-05-13 21:35:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e483894a2e71a522e1be8a0185eb86b5 SHA-1: 6932ae49589931b23fad19cae2c9dd9cb315a87e SHA-256: e314ea106bd49332d7be1f09da1ae6f18e0848dd0e5f4795790ced937b171c8f
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains embedded links that redirect to malicious infrastructure, specifically advertising a 'free Robux generator' lure. The document body and heuristics indicate a clear attempt to trick the user into visiting a malicious URL. While no scripts were directly extracted, the nature of the PDF and its embedded links suggests it is designed to exploit vulnerabilities or trick users into further malicious actions.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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-please-game-hack In 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_off00003536.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3536 25440 bytes
SHA-256: 1f751e7d9bd0a23d41015edfe068fcd1ee8f98b590e67906f6a37e5c2edeee64
font_01_sfnt_off0000701d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x701D 18472 bytes
SHA-256: a4143b220e35e332e52efa777ecf598d1a164c1d6c5ab1887881bf2674d2e637