Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ebb9b02bce0834d…

MALICIOUS

PDF

47.1 KB Created: 2021-05-15 07:00:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9d0f2bad7ac1700d7d6bed0d0c3073db SHA-1: 9b4c3b23511624c8d01eb07adfe778f8678470f4 SHA-256: 2ebb9b02bce0834dc666fea2e63612e3ed32cb3d66b49a07d48b3d458785e447
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically advertising 'free generator / game hack' lures. The ML classifier also flagged this PDF as malicious. The embedded links are designed to trick users into downloading potentially unwanted or malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/406889139/master-coin-hack-app-game-hack In PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-tools_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-hack-mod-apk-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/robux-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-firebird-card-free_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/robux-only_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-hack-mod-apk-download_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/optifine-mcpe_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/windows-10-minecraft-free-with-java_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-roblox-intros_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-robux-discord-servers_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004e8f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E8F 27700 bytes
SHA-256: 22f6e60d383ce26271431df7b324bb78b29b68fcc6ed52ae9445b6a9711b4a7b
font_01_sfnt_off00008d0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D0E 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off000096f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96F8 17892 bytes
SHA-256: 41282dcb1c000e988ea8b2199b00347d54e117e16c55148ab4165d720f01bc1d

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