Malicious PDF — malware analysis report

Static analysis result for SHA-256 298dac2e2ac6ebfd…

MALICIOUS

PDF

34.9 KB Created: 2021-07-09 20:10:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: dcac26c8ac1609cb229270505757ab4d SHA-1: 2a24b29c904214b1fdf23b1789f6545c720ce24e SHA-256: 298dac2e2ac6ebfdddd9d8592e4a3778292ca2c2dd222af98e0e196e4b7d06ff
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a known malicious domain, masquerading as a generator for game hacks and in-game currency. The ML classifier and specific heuristics confirm the malicious nature of the redirector. The document body and embedded URLs reinforce the lure of free in-game items to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/free-robux-hack-game-hack In PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/minecraft-bedrock-hacks-windows-10_GM479516143.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/play-roblox-free-online_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/free-girl-clothes-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/sunset-coast-gui-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/get-free-robux-now_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-free-robux-really-works_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/roblox-hack-enginesaa_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/how-do-you-get-followers-on-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/khaos-free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/free-bling-bling-card-coin-master_GM406889139.pdfIn PDF document text
    • https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-more-free-coins-on-coin-master_GM406889139.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
font_00_sfnt_off00003142.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3142 22688 bytes
SHA-256: d4b85d9fdfe55460b2049577b940d520dabf98c8698a5cdec8378d8783b9b5bc
font_01_sfnt_off00006404.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6404 18884 bytes
SHA-256: dc79040e010cad5ef573560dd0163568f4a40b7ac77bac9f212c194fdd2f4c7b

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