Malicious PDF — malware analysis report

Static analysis result for SHA-256 753e61a930979c94…

MALICIOUS

PDF

38.7 KB Created: 2021-05-14 05:47:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e00f8613b8b3d7bf8882c4471b77f237 SHA-1: d79f8e483c7bffed232a72a8620eba99c096885a SHA-256: 753e61a930979c946de50d9a0778be5eee5f34227711f2d172f3b171718de853
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting a 'Coin Master Game Hack Generator'. The document body also contains a clear call-to-action to click a link for a generator. This indicates a phishing or scam attempt designed to lure users to a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier clean score 0.0127

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/406889139/coin-master-game-hunters-club-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000035a9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35A9 24020 bytes
SHA-256: 10b6e1d5c7c08398ef1fa5a59bb13b9272e06c753d0cfd298241a18f9988433f
font_01_sfnt_off00006c44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C44 2824 bytes
SHA-256: 381f6d859be141449dd645f7be1484d2a1cf49218dc471b402dae69eaa2b11d5
font_02_sfnt_off000075e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75E7 18176 bytes
SHA-256: 74ffa4d131b86204091f15510d9e99a1a5fd5d4654b2a7ca9c54d403d144afe2

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