Malicious PDF — malware analysis report

Static analysis result for SHA-256 015ea3d725feb750…

MALICIOUS

PDF

36.8 KB Created: 2021-05-21 09:03:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1974f1192de8ee6982a1e0a28f91c57d SHA-1: d041f8b2ffd493eea048c3e1ad2d437c1c56d3a2 SHA-256: 015ea3d725feb750218e142a256592b0537f10d3126c1b4e28a2675bc6b576bf
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites, one of which is identified as a malicious redirector. The document body and heuristics indicate a lure for 'free Robux' or game hacks, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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/earn-free-robux-on-roblox-game-hack In PDF document text
    • https://bpkad.denpasarkota.go.id/new/public/ckfinder/userfiles/files/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • https://bpkad.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • https://bpkad.denpasarkota.go.id/new/public/ckfinder/userfiles/files/rewards-roblox-com_GM431946152.pdfIn PDF document text
    • https://bpkad.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://bpkad.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-spins-grom-coin-master_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
font_00_sfnt_off00003471.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3471 25488 bytes
SHA-256: f6f44ecf51a905ede82dc7e2428408a36fd683298725eeea23ad581c54a6ab39
font_01_sfnt_off00006e6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6D 18316 bytes
SHA-256: 9c0981cacc72906997edc94ef8681ff328413c242d975763da1b98cbde4aeec5

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