PDF static analysis report

Static analysis result for SHA-256 cfc8df8b244edb13…

SUSPICIOUS

PDF

50.0 KB Created: 2021-06-10 11:30:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: df35eec2884a2ef32eb61d3d857588e1 SHA-1: 51f8ad3274d834482564a165fc63011eec1fe254 SHA-256: cfc8df8b244edb135739a56737c389ec09eca42f635cd71b96b7c7a16934db36
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a primary external URI pointing to resources related to game hacks and cheats, suggesting a lure for users seeking such content. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple links to external PDF files further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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 https://netcdn.tw/app/431946152/gametest-roblox-robux-hack-game-hack PDF link annotation
    • http://oca.undil.tl/repository/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/coin-master-hack-ios-reddit_GM406889139.pdfIn PDF document text
    • http://oca.undil.tl/repository/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-printable-roblox-coloring-pages_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-roblox-groups_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/baixar-hack-roblox-winrrar_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/coin-master-app-for-free-spins_GM406889139.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-real-roblox-codes_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
    • http://oca.undil.tl/repository/mcpe-master-coin-hack-apk_GM406889139.pdfIn PDF document text
    • http://oca.undil.tl/repository/install-coin-master_GM406889139.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/ww-robux_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-gfx-roblox_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-robux-for-tablet-no-human-verification_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://oca.undil.tl/repository/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
    • http://oca.undil.tl/repository/how-to-get-more-robux-for-free_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000052f5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x52F5 28924 bytes
SHA-256: e24251ea14939ba1b144c596706207222c320f52fdc8ec5a6d788cf95d7a2f59
font_01_sfnt_off000094f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94F3 3044 bytes
SHA-256: 6d04805f90492a2b9a07131c3ba98a264540e96a05933f1e15397a946371c97b
font_02_sfnt_off00009f6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F6C 18684 bytes
SHA-256: c2e6b78ac7bb1e6cbd734a0440ad7753baec1c07264a897b66943c8f7dc28f41

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