Malicious PDF — malware analysis report

Static analysis result for SHA-256 14df1fa0751ac938…

MALICIOUS

PDF

38.7 KB Created: 2021-05-18 00:00:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9adb6e68929734246d19909979d6c06c SHA-1: ecc0c1021f80c5a85ceb40f62e0dfedf33cb7034 SHA-256: 14df1fa0751ac93885ed460d941fd286ca3e0a694eaaf0d0490c8cadaeb2fe33
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains embedded links that redirect to known malicious infrastructure, specifically a site offering a 'free generator / game hack'. The document body also contains a prominent 'CLICK HERE TO ACCESS COIN MASTER GENERATOR' call to action, reinforcing the lure. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.

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/master-free-spin-and-coin-links-html-m-1-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_off00003393.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3393 24596 bytes
SHA-256: 041147d20c744ebb5d8bce91eeab67a4922ae78d6012b24e2a48fa792d55c12a
font_01_sfnt_off00006b0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B0A 2824 bytes
SHA-256: 381f6d859be141449dd645f7be1484d2a1cf49218dc471b402dae69eaa2b11d5
font_02_sfnt_off000074ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74AD 18672 bytes
SHA-256: e8e5c78a3c75332e87dcced76b09371611da69ae485f860408bab2f18198baf8

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