PDF static analysis report

Static analysis result for SHA-256 e971209597c1ee48…

SUSPICIOUS

PDF

40.2 KB Created: 2021-04-27 14:39:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 811c2797cb32b3d2e423d161995f6b3d SHA-1: 566019ced21314c6b9676a2c545d0e85ca75de0c SHA-256: e971209597c1ee483efea615fe2b69077d1cfd89f4bd59f8af53762d38e070af
50 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains lures related to free Roblox currency and includes a prominent call-to-action to download a file from a suspicious URL. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to deliver a second-stage payload, likely a downloader or exploit.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 4

  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/roblox-free-complete-game-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-legit-with-proof.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-jailbreak-speed-hack-update-codes-2021-yasser-gamingyt.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/daily-free-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-escape-the-labyrinth-roblox-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-play-a-game-that-cost-robux-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/break-free-song-id-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-i-got-rthro-packages-for-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-is-being-hacked.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/robux-free-logiciel.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/design-it-hack-scirpt-roblox.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_off00003fcb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3FCB 25112 bytes
SHA-256: 9694b57f6264dd82161b3cfdc91841dd318ad9b553acedff8b1cfd9c52b17ddc
font_01_sfnt_off000079e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79E7 18716 bytes
SHA-256: 4bf349933ed9154cbfeba5233bd4a533a07295534d6468cce43302868b3e0c6c

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