Malicious PDF — malware analysis report

Static analysis result for SHA-256 96485d58f87c1565…

MALICIOUS

PDF

40.5 KB Created: 2021-05-03 16:58:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 26d4514c5875f571805784776e1fe562 SHA-1: d274a33ef44306f8aa769722a4d5feca0e9f5d56 SHA-256: 96485d58f87c1565a873dbc17ac9fffe9c40efa7421ced4e6ef2eecc33affc18
160 Risk Score

Malware Insights

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

The PDF contains a lure related to game hacks and free currency, directing users to a known malicious redirector. The document body, though heavily obfuscated, contains references to game hacks and URLs that are likely part of a phishing or malware distribution chain. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/does-roblox-hack-your-computer-game-hack In PDF document text
    • https://lib.stie-yai.ac.id/repository/hack-para-tener-robux-gratis-en-roblox-2021.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-plates-of-fate-hacks.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-sex-cheat-code.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-use-cheat-engine-67-on-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-vip-link-for-power-simulator-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-get-free-hats-on-roblox-without-inspect-element.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-treasure-hunt-simulator-hack-script.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-promo-codes-coupons-free-robux-codes.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-free-codes-robux.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-attack-on-titan-cheats.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_003_off0000403f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x403F 24964 bytes
SHA-256: b8edb2fdd669635e969058b0e02e0cecd981142f0ade16c9bf56f3eb10b40cdc
font_01_sfnt_off000079b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79B8 19192 bytes
SHA-256: 7ea1ef24909358e41e7967a1f844d93bc0c62b84969eba236d5ce006d56b24ff

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