Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a8c43063ccbda13…

MALICIOUS

PDF

36.6 KB Created: 2021-05-21 11:32:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9268375c24fb6b89e3772de50ebf243a SHA-1: 0121cac2e1e26c89a56ee87132ebb1c89f1e6f37 SHA-256: 9a8c43063ccbda13290d8804c68ec9ae58655a48434cd4cf36e6ada38df78b4e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to a known malicious redirector infrastructure, masquerading as a game hack generator. The heuristic firings strongly indicate a malicious redirector and a lure for game hacks. The document body, though partially corrupted, contains text related to 'Script Executor Roblox Free' and a call to action, reinforcing the lure. The embedded URLs are likely used to download and execute a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/431946152/script-executor-roblox-free-game-hack In PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/roblox-script-hack_GM431946152.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_off000031cb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31CB 25512 bytes
SHA-256: 453d7979639c864d6b095bb6d4423aed0f41e87a4e26fd3112c47e05bd5d4827
font_01_sfnt_off00006d47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D47 18488 bytes
SHA-256: 44f354328229956739dd06097b6bba890ee37516a64f4c38c86d9692edd8e6a2

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