Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbd46d6ce5653d99…

MALICIOUS

PDF

38.4 KB Created: 2021-05-11 03:00:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0e8bd8fec6b18e8da59c62f1323733d5 SHA-1: eb8c3b2f581bba9045fd2eac4da8bb299765701e SHA-256: dbd46d6ce5653d99b8e83cb404454d7ced253128fc7fd3d054bd6c89695b9d5a
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that redirect to a known malicious infrastructure, disguised as a 'Coin Master Hack Tuts' generator. The document body explicitly contains a call-to-action to 'CLICK HERE TO ACCESS COIN MASTER GENERATOR', which is designed to lure users into clicking the malicious link. While no scripts were directly extracted, the PDF structure and embedded URLs strongly indicate a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0127

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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000031fb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31FB 24568 bytes
SHA-256: c0bb06484db3fc1d5a5804451f902d0f212f4ff519e436d4cc6cdd8060bb383f
font_01_sfnt_off00006a00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A00 3380 bytes
SHA-256: 1dd933c112880b232546f3aab6a17784a8f412d39fd551cc6eb31c5a04c3ce57
font_02_sfnt_off000075e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75E9 17856 bytes
SHA-256: 7ea96389f12658db35895fa26686e9f226c03f756b3b8bcc05ec7a18db0b2f9d

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