Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b52ee59a4d09e4f…

MALICIOUS

PDF

45.7 KB Created: 2021-05-22 16:15:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9c481acdc4f6cba864e0e589cf259ac5 SHA-1: dda5335507646b087eb33cbd6433a084eea7233c SHA-256: 7b52ee59a4d09e4f7ffa2d3fc3df07664c6a47fb5ab5cac8abb1ea80b37e00ae
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector domains, including one identified as malicious infrastructure. The document body and heuristics suggest a lure for game-related cheats or generators, which is a common social engineering tactic. The embedded links likely lead to further malicious content or downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7834

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/479516143/minecraft-classic-free-game-hack In PDF document text
    • http://nitetpl3.com/images/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://nitetpl3.com/images/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • http://nitetpl3.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://nitetpl3.com/images/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://nitetpl3.com/images/free-spin-links-coin-master-october-30-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000032a9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32A9 25056 bytes
SHA-256: ba10c14be67bc6677004032ee73a5a806dbf3a286ff750538a82c1f2ac7de46f
font_01_sfnt_off00006bad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BAD 7936 bytes
SHA-256: 218d53b68bdddb064f6fba4be822d5b3725ed1cef1a3b42796a8dd99c4a62f4e
font_02_sfnt_off000084d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84D6 4232 bytes
SHA-256: ab6320ab342704d2c5943abfba82ed4837bf2da871c91621741fd4cfd15c6ed5
font_03_sfnt_off00009362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9362 17644 bytes
SHA-256: 1ee95ff2a7de50dda93d1224861f64f53bfa9b684d20bd49bdd14d4804095e27

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