Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1dcb8549b8636a7…

MALICIOUS

PDF

44.0 KB Created: 2021-05-19 01:38:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: da941bc4050fb3955cfe3ade706cfdb3 SHA-1: 1db0c33a66c7b966f8ac9b2eab64ccc1dba651cd SHA-256: e1dcb8549b8636a71ea9edcc729d09b504b94188a6007026d9bd56b8b3a7c97d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and generators, directing users to a known malicious redirector. The document body contains obfuscated text and multiple URLs that likely lead to further malicious content or downloads. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to redirect users to malicious sites, potentially for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/hackear-juego-coin-master-espaol-game-hack In PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-without-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/free-robux-website_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/coin-master-free-link-daily_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/roblox-heroes-online_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/como-hackear-coin-master-sin-verificacion-humana_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/hackear-coin-master-android_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/rbx-land-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/free-roblox-card_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/how-to-get-more-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/rewards-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/free-spins-coin-master-links-app_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021-no-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/coin-master-com_GM406889139.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.man5crbn.sch.id/__statics/gudangsoal/files/hack-version-coin-master-apk_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
stream_003_off00004ba4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BA4 30244 bytes
SHA-256: edcb7618a5a36c763aa9a2035601bd8461b5e2e415471c0ea452deb36310183c
font_01_sfnt_off000088da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88DA 18560 bytes
SHA-256: 401325f214aca51349ad1a4a836cef9d3167637fa66b4456375b050e2f4fa365