Malicious PDF — malware analysis report

Static analysis result for SHA-256 9292d5e2dc9d5991…

MALICIOUS

PDF

41.1 KB Created: 2021-05-18 00:13:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c8e683ba1f339051e3b0dc2d454d71e1 SHA-1: aaeac3e3ac70e0741c934052dfb7553750609042 SHA-256: 9292d5e2dc9d5991c30b1a7fe9d2f63131129af3d2ac5212fef1b17383968030
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a game hack lure, linking to known malicious redirector infrastructure. The embedded URL 'https://netcdn.xyz/app/406889139/coin-master-hack-software-game-hack' is the primary indicator of malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristics suggest an attempt to trick users into visiting a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier clean score 0.0125

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

Related samples 2

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_off000035f3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35F3 26612 bytes
SHA-256: b7dc6c4f7933d6ae7608936adc0081a0966c3bc395f1f1a7aa5e32d8fc6fc81c
font_01_sfnt_off000072a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72A5 4084 bytes
SHA-256: 8dcca75abba4f8462f6bf460033ad8935cd3fcc1857ed935eb24039310ce352d
font_02_sfnt_off00008064.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8064 17880 bytes
SHA-256: 544f43ea8445c04f90b32bb89fa74997ce853b2370fee25cb972ddebb18b4158

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