Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee5bc3323df86cb…

MALICIOUS

PDF

41.8 KB Created: 2021-05-14 17:03:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 2fdda0ea55dcc54cb8e3b3a81b200c32 SHA-1: bb2eced0ad3345cb3b5bd9254a1b1dc8e4eb58cf SHA-256: cee5bc3323df86cbdf83c97a12605f7db29390e54d568099b0837241d41e05e4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector, designed to lure users. The embedded URL, https://netcdn.xyz/app/479516143/free-minecraft-maps-pe-game-hack, is the primary indicator of this malicious redirection. While no scripts were explicitly extracted, the PDF structure and the nature of the lure suggest an attempt to lead the user to a malicious site, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/479516143/free-minecraft-maps-pe-game-hack PDF link annotation
    • http://ggmtc.net/userfiles/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/robux-download_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/minecraft-hacks-list_GM479516143.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/master-coin-free-link_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-to-sue-roblox_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-to-get-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/claim-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-hacks-reddit_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-to-hack-coin-master-with-root_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-roblox-wings_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-to-get-free-robux_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_off00004b0d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B0D 24416 bytes
SHA-256: 37e3b7e1fd40d52a0bc4596adef800fa07f253d8477fa77d78265d84053d7fdb
font_01_sfnt_off00008281.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8281 17896 bytes
SHA-256: 6352ffa006e9204df542db636c78c3f1217e4ba8334234165df7a4e617556ea1

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