PDF static analysis report

Static analysis result for SHA-256 729ae8718b8b15e3…

SUSPICIOUS

PDF

41.1 KB Created: 2021-04-25 21:32:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3c66a4944d61cb265a55ff88619197c8 SHA-1: 66209bff22173378bfe925e9ecddba5558aa429c SHA-256: 729ae8718b8b15e30b2ea50e7e9f84c51892ce08667a9ccee35d52eb836a488f
50 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains lures related to 'free Robux' and a call-to-action to download, strongly suggesting a scam or phishing attempt. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of embedded URIs and the nature of the content indicate a potential for further malicious activity, such as downloading a second-stage payload.

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/free-robux-no-password-plus-link-game-hack PDF link annotation
    • https://lib.stie-yai.ac.id/repository/how-to-get-free-robux-inspect-element-2021.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/ads-for-roblox-games-free.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-how-to-get-obc-for-free.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-2021-robux.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/2021-free-robux-hacks.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-clone-tycoon-v-12-cheats.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-dbor-how-to-hack-levels.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-roblox-redeem-cards-codes.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-sell-roblox-shirts-for-free.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-robux-download-tool.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
font_00_sfnt_off00003fae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3FAE 27952 bytes
SHA-256: 2c58ea88432196d0bae93dc225c086dc77ba64ec7184d209f449fc38cae51a95
font_01_sfnt_off00007c87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C87 19100 bytes
SHA-256: 05bb48a0ff230eba73ba5d5912fdc49f465d3e5cab464352810a4f6462d0aa3c

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