PDF static analysis report

Static analysis result for SHA-256 fa776d7be81ab7ac…

SUSPICIOUS

PDF

40.0 KB Created: 2021-04-28 04:04:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1805e052bf35d8b997e38e2cd5e3747e SHA-1: b576298bf14d17aa741ed4bb6dfca04c47229575 SHA-256: fa776d7be81ab7acc6ab987290c095cbb596747825bb79a57f3eccf3d5cc4c1c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a site offering a 'free Robux game hack'. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related heuristics further supports a malicious intent. The document likely serves as a lure to download a secondary payload, potentially a game cheat or malware.

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/divine-free-robux-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/cheat-files-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-free-headphones-code.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-on-phone-no-human-verification.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/app-hacked-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-live-giveaway.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-r-free-robux-robux-robux-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/design-it-hack-scirpt-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-pins-for-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-stuff-on-roblox-mobile.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/guava-juice-robux-hack.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_003_off000041eb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x41EB 24720 bytes
SHA-256: a95eea7df7931afc0729171326baadaa0c416e05d30ca890bf40b1550d95af5e
font_01_sfnt_off00007a59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A59 18416 bytes
SHA-256: 5b96205af3ecaeb32c603838bef6b1ad7cde6d277cef4300343d016eab5ccd20

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