Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d1cbf08cda88cbc…

MALICIOUS

PDF

38.7 KB Created: 2021-05-17 10:02:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a1e8da9c7f4fa63d18abe4ec6c26649f SHA-1: a23bebd9c23061003da7aa4da82efd3d17b6f6e7 SHA-256: 2d1cbf08cda88cbc739ba254c10a8b201a9ce033f4e3acc4ff2f1e8000a61d74
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a critical heuristic firing for a game hack lure, linking to known malicious redirector infrastructure. The embedded URL 'https://netcdn.xyz/app/431946152/free-free-robux-game-hack' is identified as malicious. The document body and PDF facts confirm the presence of links and lures related to free game hacks, indicating a social engineering attempt to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

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-free-robux-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000324d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x324D 25192 bytes
SHA-256: 357f3597ba830b75587faac79c8cee5eba366c70ecb8439d4ba2850d2dd2f6de
font_01_sfnt_off00006cb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB9 2896 bytes
SHA-256: 0f10adbf105d053971010bc1f17c4dd55814d599674c84f75a6eb4cb46a9c89b
font_02_sfnt_off000076b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76B0 18012 bytes
SHA-256: 3ef9e48aa3d97d4217e004f7625a8cbae9320a74231b80a01553f6433e422360

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