Malicious PDF — malware analysis report

Static analysis result for SHA-256 142d3ec533f088f0…

MALICIOUS

PDF

38.9 KB Created: 2021-05-10 11:03:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fe9e944a1426faa631402f7079c0a27d SHA-1: 3f5ff5f68c573ce34c936aa79501bf1cf6d5fcb8 SHA-256: 142d3ec533f088f0b78b86e75a86699f336ce2b76f716a43890b9ce89ad4d146
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links and a call-to-action button that direct the user to a malicious URL disguised as a Roblox hack generator. This indicates a social engineering lure designed to trick users into downloading or executing a payload. The document body explicitly mentions 'Roblox Script Hack' and 'CLICK HERE TO ACCESS ROBLOX GENERATOR V', reinforcing the deceptive nature of the lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

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/roblox-script-hack-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_off00003272.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3272 24836 bytes
SHA-256: 5e574b711aa27906b4dcad0206318c5069fc3c8a606680b9fd620316f8488f48
font_01_sfnt_off00006b6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B6C 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00007557.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7557 18580 bytes
SHA-256: c1944f3c26fd870ce0e5de863125d21882df0ce96ba9356e52db8af51b5248a2

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