Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3a6de026f0e174d…

MALICIOUS

PDF

34.6 KB Created: 2021-06-25 17:26:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b02c14c444cb5feb66e9e77a1ba1c740 SHA-1: 8700685d3f79334630f5491bc84395b677c2a1cc SHA-256: e3a6de026f0e174d272e56d6b6be6303df0816485589e96e462aa3e1f8b0b1ea
160 Risk Score

Malware Insights

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

This PDF document employs a lure related to free game hacks and generators to entice users. It contains multiple embedded URLs, including a critical redirector link to 'http://netcdn.co/app/431946152/free-games-related-to-roblox-game-hack', which is flagged as malicious. The document's structure and embedded links suggest it is designed to redirect users to potentially harmful content or initiate further malicious downloads, aligning with a phishing or social engineering attack pattern.

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.co/app/431946152/free-games-related-to-roblox-game-hack In PDF document text
    • https://www.similar.com.tw/upload/files/roblox-pc-hack-robux_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/how-to-get-a-free-roblox-package_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/free-free-robux_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/haktuts-free-spins_GM406889139.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/free-roblox-accounts-that-work_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/fly-hack-roblox-lumber-tycoon-2-francais_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-com-robux_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-account-stealing-hack-pastebin_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/free-robux-stream_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-nation-hack_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-2021-november-25-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/how-to-walk-through-walls-on-roblox-useing-cheat-engine_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-speed-race-hacks-download_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • https://www.similar.com.tw/upload/files/coin-master-spin-link_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_off00002f4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F4A 22588 bytes
SHA-256: 56302639f81e7417b2753ade4eedd17f317b8606e06a63a1e50c1075278530cf
font_01_sfnt_off00006198.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6198 19188 bytes
SHA-256: dd0265ef476d76096bb54460a74cc2b9c0d7ca997f8d9c077d9df2a4ebd76fae

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