Malicious PDF — malware analysis report

Static analysis result for SHA-256 2454b3cd118d63f1…

MALICIOUS

PDF

42.7 KB Created: 2021-04-24 22:15:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 52a358be323ae96741c7b5d0580f5f84 SHA-1: adad933ad728e148dfb55a8f1d99d6adbfd290ec SHA-256: 2454b3cd118d63f17d6072c80b90a65f43dd0cb6372ceae13a430dec09daef29
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple links to websites offering 'free generators' or 'game hacks' for popular games, disguised as a lure to trick users into clicking. One primary URL, https://netcdn.xyz/app/431946152/how-to-to-hack-joining-sumones-server-roblox-game-hack, is identified as a malicious redirector. The document body also contains a call-to-action phrase 'CLICK HERE TO ACCESS ROBLOX GENERATOR', reinforcing the social engineering aspect.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/how-to-to-hack-joining-sumones-server-roblox-game-hack In PDF document text
    • http://hemmet-strand.dk/images/free-robux-no-verification-2021.pdfIn PDF document text
    • http://hemmet-strand.dk/images/roblox-virus-free.pdfIn PDF document text
    • http://hemmet-strand.dk/images/rblx-gg-free-robux-without-human-verification.pdfIn PDF document text
    • http://hemmet-strand.dk/images/how-to-get-free-robux-2021-no-verification-no-scam.pdfIn PDF document text
    • http://hemmet-strand.dk/images/elemental-battlegrounds-roblox-diamond-hack.pdfIn PDF document text
    • http://hemmet-strand.dk/images/free-roblox-screen-recorder.pdfIn PDF document text
    • http://hemmet-strand.dk/images/how-to-earn-free-robux.pdfIn PDF document text
    • http://hemmet-strand.dk/images/why-doesnt-roblox-play-with-cheat-engine-on.pdfIn PDF document text
    • http://hemmet-strand.dk/images/app-hack-roblox-pc.pdfIn PDF document text
    • http://hemmet-strand.dk/images/javascript-roblox-free-robux.pdfIn 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_off000043e2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x43E2 27424 bytes
SHA-256: 2a7a6ec70bd7a5d8ee2a25649fd82e01e47dacb74488d6b9071bdd66e36a1a9c
font_01_sfnt_off000081d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81D8 19432 bytes
SHA-256: e6fabb696803b52c2ef72dd6a91f4efe218c514c2775a20a7bde4ade46ee2d32

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