Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ada53935abbcd6…

MALICIOUS

PDF

37.1 KB Created: 2021-05-14 18:12:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ccb78cf2f880ff87f4e24f03c81ebf33 SHA-1: 2deff2cf69a3d94fe048d58fe72c84ddfbde817a SHA-256: 47ada53935abbcd6ddf80756d268744938d8ff98a95f10189dc88eff1dade39a
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a critical heuristic indicating it links to a malicious redirector disguised as a game hack generator. The embedded URL, 'https://netcdn.xyz/app/406889139/coin-master-free-spin-generator-without-human-verification-game-hack', is identified as malicious infrastructure. This suggests the document is part of a phishing or scam campaign designed to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier clean score 0.0313

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-free-spin-generator-without-human-verification-game-hack In 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_003_off000032ac.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32AC 26440 bytes
SHA-256: 0eebb49f43b31f5cebc424ca2eedfbfea68476ec26534cf10a12df83a320fcc9
font_01_sfnt_off00006e3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3C 18784 bytes
SHA-256: 560f5148e24a3ab67e773876ce527874ae2d943094ab10326a5f2249ef84e33a

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