PDF static analysis report

Static analysis result for SHA-256 d347718b7162ed8d…

SUSPICIOUS

PDF

44.9 KB Created: 2021-06-11 01:45:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 123b3038dceb8151577f41ea57d1655a SHA-1: 7eedad14ce2fa8d4c7a00242190d363989daf3a0 SHA-256: d347718b7162ed8d251c2e5a5a6ad75ff7894bf86fdbdcdbdf9cd661b557c813
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains embedded URLs and a heuristic firing for an external URI, indicating it is designed to redirect users to download potentially malicious content. The document body, though heavily obfuscated, suggests a lure related to game cheats or hacks. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a download-and-execute attack chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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/ben-ten-roblox-cheats-game-hack PDF link annotation
    • https://c2o-library.net/catalog/repository/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/pastebin-roblox-800-robux-free-2021_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-sign-in-free_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/game-free-cloth-roblox_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/mcpe-com_GM479516143.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/change-roblox-username-free_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/how-to-get-free-coins-in-mcpe-master_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/slup-roblox-hack_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/how-do-you-get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/coin-master-free-spin-and-trading-group_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/coin-master-free-spins-link-download-hack_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/free-hero-roblox_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/coin-master-hack-apk-35-33_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/coin-master-hack-for-android_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-free-ss-excutor_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
stream_004_off00004d6b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D6B 28656 bytes
SHA-256: bd53f31ce687ad503bea5a63e7770bad85deb5a29dcf40a65354b501306582c6
font_01_sfnt_off00008ccc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CCC 18280 bytes
SHA-256: f7a53d6d047cce729d8a0a89cea2aa73d1644583bdc6ca3f389cb65f6ee0eb91

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