Malicious PDF — malware analysis report

Static analysis result for SHA-256 270fa54350982d64…

MALICIOUS

PDF

36.8 KB Created: 2021-05-11 06:01:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ecd82e3c505755a59021541cca3f13b5 SHA-1: 6ae9acee1ffa70e9071206b3bc169faed0103183 SHA-256: 270fa54350982d64dc8cee9ea9c9ab1a7fb3625ef99a4668c8527c0174361dc2
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free Robux' and 'game hack' generators, directing users to a malicious URL. This indicates a phishing or scam attempt designed to trick users into visiting a potentially harmful website. The embedded URL is a known malicious redirector, further supporting the malicious intent.

Machine Learning

  • Nyx PDF Classifier clean score 0.0312

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/show-me-how-to-get-free-robux-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_off00003576.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3576 25612 bytes
SHA-256: 822e0496f51f24b82c30e591c13e0f6a5b68d5a96aefd9f8de517f769acda588
font_01_sfnt_off00006d76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D76 18644 bytes
SHA-256: e51f5be8af2709164d8b68ea121f2f3a624582c0bbe9bba0986852bbf2bf647d

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