Malicious PDF — malware analysis report

Static analysis result for SHA-256 97e3bab38048fa80…

MALICIOUS

PDF

34.4 KB Created: 2021-06-18 06:05:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 0cd23a02c7970dbf927cf1246db05994 SHA-1: 4bbc674515b80839b2f1f0fd58b28286c25968d2 SHA-256: 97e3bab38048fa808f26f5d2818c83274d1d56e7c2df9efc3e4662ce46216819
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and cheats, directing users to a suspicious URL. The ML classifier strongly indicated maliciousness, and the embedded URL is a primary indicator of a phishing or malware distribution attempt. No scripts were extracted, but the document's structure and content suggest it is designed to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/redline-cheats-roblox-game-hack PDF link annotation
    • https://library.itn.ac.id/perpusitn/repository/roblox-online-free-no-download_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-bling-bling-card-coin-master_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/moon-active_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-vpn-for-minecraft_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-phantom-forces-money-cheat_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-hack-video_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-free-items-hack-pastebin_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/how-do-you-hack-robux_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/how-many-villages-are-in-coin-master_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/fast-card-roblox-free_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-robux-with-no-human-verification_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
font_00_sfnt_off00003097.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3097 22204 bytes
SHA-256: 4aa0d5e6354c89cc7ea017c16640a80212399028c9591800a2bd11fb2ae0e51d
font_01_sfnt_off00006186.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6186 19048 bytes
SHA-256: 17fe44cda5a010d93191c420e453d6723f9028d90a99903f2a48b78dc51ce99d

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