Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5e873b24461c137…

MALICIOUS

PDF

35.1 KB Created: 2021-05-22 19:20:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 46d614b296b74fd4853cf6c5d96a5472 SHA-1: 2a1db029f95e1cdc508424ad05d0629f72a8c65a SHA-256: c5e873b24461c137ca2acf6ce8652b3313a490e8bb8a99620bba7f95a5a12926
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to known malicious redirectors and infrastructure, masquerading as game hacks and generators. The document body and embedded links explicitly mention 'Coin Master Hack' and 'CLICK HERE TO ACCESS COIN MASTER GENERATOR', indicating a lure to a scam or potentially a malicious download. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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-game-hack In PDF document text
    • http://pdapanache.com/images/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
    • http://pdapanache.com/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://pdapanache.com/images/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • http://pdapanache.com/images/what-do-points-do-in-roblox_GM431946152.pdfIn PDF document text
    • http://pdapanache.com/images/coin-master-gold-cards-free_GM406889139.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_002_off000030fb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30FB 24496 bytes
SHA-256: faaa94d70e3e73999023f96984e648af6f99e4d3d592544e64b7a1d0de5ef16c
font_01_sfnt_off00006943.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6943 17716 bytes
SHA-256: c15a8689411d8cca9ab0759ab4c496fe9b4353d676dd738e300719e9588112ed

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