Malicious PDF — malware analysis report

Static analysis result for SHA-256 6de020a96dc22bd6…

MALICIOUS

PDF

39.2 KB Created: 2021-06-07 04:15:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f9292530d0ec793107a3b64ac48f3ad8 SHA-1: bfccf7289a91af2f2f13c535a53621c60e603db9 SHA-256: 6de020a96dc22bd6673d3f5654aca6499af197983b45160d3586f4ffe807458c
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a game hack redirector lure, pointing to malicious infrastructure. The document body includes text and a URL that reinforce this lure, aiming to trick users into clicking the malicious link. While no scripts were extracted, the PDF structure and embedded URL strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0331

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.tw/app/431946152/noob-vs-pro-vs-hacker-roblox-bloxburg-game-hack In 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_off000039b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39B4 25884 bytes
SHA-256: dbfe56f8ae3ad89517fc2f8195dbafda5b035a77903d7c16798c822ae8f9c8be
font_01_sfnt_off000075d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75D5 18900 bytes
SHA-256: ff71b41e08b8189724b11aca51442eea72c5291ce5d3632b2f4ca40ba3af4e9b

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