PDF static analysis report

Static analysis result for SHA-256 efba0a78ab322273…

SUSPICIOUS

PDF

30.3 KB Created: 2021-07-21 11:41:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: abc17fc19c24a38b910059563341258e SHA-1: 0b5dcb9020378596b6b829c6935ba51cea434ca9 SHA-256: efba0a78ab3222736994331ec730592bccd75e1523fe420a410c0bbaf2ab30af
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that mimic a download lure for popular games like Minecraft and Roblox. The primary URL, http://netcdn.tw/app/479516143/minecraft-free-ios-game-hack, is likely a distribution point for a malicious payload. The ML classifier strongly flagged this PDF as malicious, supporting the assessment that it is designed for user deception and potential malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

Heuristics 3

  • 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/479516143/minecraft-free-ios-game-hack PDF link annotation
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/free-tiktok-hearts_GM835599320.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/minecraft-windows-10-free-with-java_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pt-yogyakarta.go.id/lib/repository/free-robux-generator-no-human-verification-or-surveys_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_off000028b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x28B3 21068 bytes
SHA-256: 858e3bfbd34e0719a23e1351a40c67c7c6e114c019dba1c64949ac2c314db63d
font_01_sfnt_off00005622.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5622 17712 bytes
SHA-256: 54d91aee1a0896e30cfb652b9b9fc91e7951cfaa65da7a48657c461bc2dd637d

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