Malicious PDF — malware analysis report

Static analysis result for SHA-256 8677b310f9c85c22…

MALICIOUS

PDF

25.0 KB Created: 2021-05-25 12:00:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f7ecbb8f66e1d3f47e4e8d1dba9ad4d5 SHA-1: 2cc93995e4db1a25b83f551b0675f52ab6e6da74 SHA-256: 8677b310f9c85c222a3f482192ee0fb5e979466335961683d34d9c53366c7127
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links pointing to malicious redirector infrastructure, specifically advertising a 'game hack' or 'generator'. The document body, though partially corrupted, contains text related to hacking Roblox games and a call to action. The presence of these links and the lure indicate an attempt to redirect users to potentially harmful content or further stages of an attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0360

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/how-to-hack-roblox-games-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_001_off00000fb1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xFB1 22240 bytes
SHA-256: 1580d243df1ba1f98b5893c84fd8870660210a205232fdb4d0bd64bde9f09caa
font_01_sfnt_off000040eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40EB 18016 bytes
SHA-256: a0ce96771b778b389ee39a23f357b9d86b34815f532fe58b758414ea5397d016

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