Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e94a6d81de1abc9…

MALICIOUS

PDF

36.4 KB Created: 2021-05-24 02:10:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: efbf1c7c7ed8620a4464c2b333a46352 SHA-1: d43e247f9bb170e3bfee2240ba67a3979e836791 SHA-256: 2e94a6d81de1abc9b026210c456a13feb1e07eb3d4f8e69a2f7c1f6dd201f7c9
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to a website offering a "Roblox Free Robux Generator" and "game hack", identified by heuristics as a malicious redirector. The document body and embedded links suggest a social engineering lure to trick users into visiting potentially harmful sites. No scripts were extracted, but the presence of malicious links indicates a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.1044

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-free-robux-generator-game-hack In PDF document text
    • https://pasamatour.com/ckfinder/userfiles/files/claim-robux_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_off00002b82.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2B82 28628 bytes
SHA-256: 7768533af0690429cdd908e4fb3d48059a04d89d308cb204db802b7e34a49644
font_01_sfnt_off00006cde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CDE 18420 bytes
SHA-256: 9bedda8babb487e8554fc45ae48be92d4657fab6cfffaa18de719644ed37071c

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