PDF static analysis report

Static analysis result for SHA-256 ca88df1341133440…

SUSPICIOUS

PDF

33.7 KB Created: 2021-07-04 09:02:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 769d46d5599aa425589a295215511f7f SHA-1: 2bf8dc4d19eb7110d9b5be1d867fdf96c4bd78bd SHA-256: ca88df1341133440947484991b90df82960b8d7b7540dca46ea0aca56e0fd58a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual call-to-action, strongly suggesting a lure to download a malicious payload. The ML classifier also flagged this PDF as malicious with high confidence. The primary URL, http://netcdn.tw/app/431946152/roblox-demon-game-hack, is likely the distribution point for the malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/431946152/roblox-demon-game-hack PDF link annotation
    • http://www.pustaka.pn-calang.go.id/repository/free-coin-master-androd-cheats-2021_GM406889139.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/roblox-money-cheat-download_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/free-robux-please_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/how-to-use-cheat-engine-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/how-to-change-your-roblox-username-for-free_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/how-do-you-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/how-to-get-free-item-on-roblox-2021-and-2021_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/free-robux-pastebin-stuff_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/free-robux-no-hack-no-scam_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/como-usar-hacks-en-cualquier-juego-de-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/roblox-profil-hacker_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/how-to-script-hack-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/appsmob-info-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/roblox-cheat-engine-hack-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/i-give-free-robux-for-get-my-clothes_GM431946152.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.pn-calang.go.id/repository/tiktok-followers-for-free_GM835599320.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
stream_002_off00002eb7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2EB7 21900 bytes
SHA-256: 615235be891b177a1463d54cfdeafff99e08619cd678ab9981aa343e4eb4affc
font_01_sfnt_off00005ed6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ED6 18912 bytes
SHA-256: 5300b7a7f671f500181493ac40c0ce3d1c9e7fccac20a222f14f303ae0199455

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