PDF static analysis report

Static analysis result for SHA-256 efc50f08de6182fa…

SUSPICIOUS

PDF

35.9 KB Created: 2021-07-01 14:33:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1493a9956aa742b53781b3a1f0c06050 SHA-1: b077604d8442a1d39710ddbf7db732c15f081c62 SHA-256: efc50f08de6182fa57abc51352b2c890f828138f8a1bca4e1ab352a43a6518c3
42 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a visual download button lure, strongly suggesting an attempt to trick users into downloading malicious software. The ML classifier also flagged this PDF with high confidence. The primary URL, http://netcdn.co/app/431946152/black-offwhite-free-roblox-game-hack, appears to be the intended destination for the malicious download.

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.co/app/431946152/black-offwhite-free-roblox-game-hack PDF link annotation
    • http://perpustakaan.dutadharma.ac.id/repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/chisel-and-bits-mod-pe_GM479516143.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/roblox-hacked-twitter_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/roblox-free-robux-hack-pastebin_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/coin-monster_GM406889139.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/the-roblox-game-and-online-free-without-login_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/only-robux-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/free-roblox-promotions_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/how-to-cheat-money-on-roblox-retail-tycoon-glich_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/free-for-all-game-that-is-kind-ofm-like-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/minecraft-server-hacks_GM479516143.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/roblox-free-roam-games-grand-bloxs_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/free-robux-apk-oct-18-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/earn-free-robux-zone_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/how-to-get-admin-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/free-robux-accounts-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/free-robux-no-survey-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.dutadharma.ac.id/repository/roblox-weird_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_off0000346a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x346A 22412 bytes
SHA-256: a5c486c1863b360af61d42800fdc30b05d9e48e3a33e025207e3d0caff0c8f3e
font_01_sfnt_off0000666a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x666A 19372 bytes
SHA-256: 40eb0f7cdf90420caecbf9f6ecaa8884be3a954f9cdbe7b0571d24fc88f6efc3

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