Malicious PDF — malware analysis report

Static analysis result for SHA-256 24328761cc03c81d…

MALICIOUS

PDF

35.5 KB Created: 2021-07-01 22:29:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 96f79c3ecff00e6ddb451bc9e544b608 SHA-1: 276dd52431777f514d82f88651cc080aa2d6211c SHA-256: 24328761cc03c81dc786219107349ceb96c1fe51f81bd74f3d60c0f1c64fd9b7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a prominent link disguised as a download for a game hack, specifically for Roblox. This lure is intended to trick users into clicking the malicious URL, which likely leads to the download of malware. The ML classifier strongly supports the malicious nature of this PDF.

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/download-roblox-windows-7-free-game-hack PDF link annotation
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/coin-master-free-items_GM406889139.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/roblox-high-school-how-to-get-free-gear_GM431946152.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/krnl-download_GM431946152.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/obby-100m-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/coin-master-links-to-get-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/coin-master-hack-mod-game-download_GM406889139.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/toolbox-apk_GM479516143.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-roblox-codes_GM431946152.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/coin-master-hack-android-no-root_GM406889139.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/haktuts-coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/hack-roblox-com-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/roblox-tix-generator_GM431946152.pdfIn PDF document text
    • http://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/coin-master-hack-without-human-verification-india_GM406889139.pdfIn PDF document text
    • https://elearning.mtsamanahruteng.sch.id/__statics/gudangsoal/files/minecraft-114-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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_off00003262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3262 22328 bytes
SHA-256: e4b07ed9d0ba16457631c92309860ebdc07d84d38d48d9a20acddf9d7bb077e9
font_01_sfnt_off0000643d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x643D 19532 bytes
SHA-256: bc86ebaf7ee457d783e5b4a509cdd23f22898f80490e4c1b52bf36fb302f8d06

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