Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ec8d0688cb7ebd9…

MALICIOUS

PDF

38.7 KB Created: 2021-05-25 09:01:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 253a73629d21b6ec7e95c412864849e5 SHA-1: dc18b7648189b4b74bba420023ea73ad717d6e88 SHA-256: 9ec8d0688cb7ebd978907d4020f2da87ea804f66680beaa0612601b550d5093a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links and a call-to-action button designed to trick users into downloading or accessing what is presented as game-related content. The primary link, 'https://netcdn.xyz/app/479516143/minecraft-windows-10-free-game-hack', is identified as a malicious redirector, indicating the document's purpose is to lead users to potentially harmful sites. No scripts were extracted, but the document structure and embedded URLs strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

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-windows-10-free-game-hack In PDF document text
    • https://www.sarsen.net/uploads/files/files/coin-master-free-link-app_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/minecraft-survival-hacks_GM479516143.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/coin-master-free-soins_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_off000034ea.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34EA 28920 bytes
SHA-256: 5a2b7615eef1d01a48ed32a99ec5a1bd48a080cc9c0c311f2b97ebf98733e762
font_01_sfnt_off00007569.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7569 18524 bytes
SHA-256: 61f4e129dbb086a6f9797ef369c55cdd3b58d633037fca8f4f59eaf5785788a4

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