PDF static analysis report

Static analysis result for SHA-256 1d004485dc19841e…

SUSPICIOUS

PDF

40.9 KB Created: 2021-04-30 07:57:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7f5b5a56377a28a581cbd07fb889bcdc SHA-1: 5af0b717af4b73083b0c63df2305333be3ca868d SHA-256: 1d004485dc19841e40178f2433f6347723618ccc8bdf3d99d550f0ba1f294fa4
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a heuristic firing for an external URI, suggesting it is designed to redirect users to download content. The document body, though heavily obfuscated, contains references to 'Roblox' and 'free', indicating a lure for game-related cheats or items. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is a downloader for potentially harmful files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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.xyz/app/431946152/friendly-face-free-roblox.pgn-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/free-roblox-promo-codes-2021-august.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/donate-robux-on-roblox-for-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-glitch-obby.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-get-robux-on-roblox-for-free-no-download.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/cartoon-roblox-character-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-glitch-xbox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/cheat-roblox-lumber-tycoon-2-indonesia.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-coins-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-no-survey-no-download-2021-no-human-verification.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hack-my-roblox-account-freee-no-downloads.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 5

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_003_off00004111.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4111 25308 bytes
SHA-256: a40dc400528d7e5b85e2bec30ad725c2d66b18022bbdac9327dc23f648851350
font_01_sfnt_off00007b44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B44 19180 bytes
SHA-256: b3091b6b60cc9a74fa200e2d224af1362da139478de459339b6301194f9ae0a3

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