Malicious PDF — malware analysis report

Static analysis result for SHA-256 aacb59245a5c01f1…

MALICIOUS

PDF

34.3 KB Created: 2021-07-04 20:44:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 9354d709744703c65320dee00db2b729 SHA-1: 2c944ec5c07d225c06f44d3a87c392846cb89e80 SHA-256: aacb59245a5c01f1e8149c63485bc4f21b55361fa7f756555fa91d1220042918
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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.tw/app/431946152/free-robux-no-downloading-apps-game-hack PDF link annotation
    • http://library.atim.ac.id/repository/coin-master-tool-hack_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-redeem-card-codes-free_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-daily-free-coins-link-today_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-use-aimbot-hacks-in-roblox_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/cuenta-de-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-golden-card-hack_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-hack-mod-game-download_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-cheat-on-your-roblox-discord-girlfriend_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-download-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/descargar-roblox-hackeado-para-android-robux-gratis-infinitos_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-mad-city-hack-2021_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/do-you-gey-free-robux-with-builders-club_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F36 21816 bytes
SHA-256: b9216cd0e88aa34ae90dafb78c6f9f8692b981d1eff4303eaea31ddbf4a487f7
font_01_sfnt_off00005f4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F4C 19592 bytes
SHA-256: a44ac9db15e9a0f689b658e0517c09d4447592c082fac33f635fa6b58c0bc840

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