Malicious PDF — malware analysis report

Static analysis result for SHA-256 eead703a91f4d1fa…

MALICIOUS

PDF

41.6 KB Created: 2021-05-11 00:00:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 18709a208b08e999d7140209bb147b2a SHA-1: a716f78a65a9d8dd42cddb71ac670da77f346ff7 SHA-256: eead703a91f4d1faf88008d8bf12aa525bc7a681c239dffd965216666ffd4624
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs that point to known malicious redirectors and potentially malicious content, such as game hacks and free item generators. The heuristic firings confirm the presence of malicious redirector links and a lure for game hacks. The document body, though partially corrupted, contains references to these lures and the malicious URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/coin-master-gameplay-game-hack In PDF document text
    • http://sttlets.education/senayan/repository/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/minecraft-toys-for-free_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/coin-master-free-coins-link-facebook_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/robuxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/roblox-free-hats_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/minecraft-rtx-download-free_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/coin-master-mod_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/robux-in_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/archery-master-3d-coins-hack_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/coin-master-free-spins-today-new_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-get-free-robux-on-roblox_GM431946152.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_off00004979.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4979 24204 bytes
SHA-256: fb41f2d869a5c78eb3a06a6fa13059f360541326f02ea736cd9028ce252c0d3a
font_01_sfnt_off00008066.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8066 18236 bytes
SHA-256: ad3c54622fe5860f441fa157cfd09fdd7391131bf21229add7d3bdfc0c26f4fb

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