PDF static analysis report

Static analysis result for SHA-256 9fcb9f82ece1de19…

SUSPICIOUS

PDF

36.1 KB Created: 2021-06-17 20:01:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 1d9912fb32e376cb988bbe8007ea245c SHA-1: 2c61dedc6a874a6a248aafdf22a847018d79b243 SHA-256: 9fcb9f82ece1de19a15b0c0c41f551304d879a94195e89f1c37ede6c5c6891cb
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a prominent call-to-action in its body text, all related to obtaining free Robux or game hacks. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it being used for phishing or malware distribution. While no scripts were explicitly extracted, the presence of external URIs and the lure content suggest an attempt to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-robux-100-no-human-verification-no-app-download-game-hack PDF link annotation
    • http://lib.fisipumt.ac.id/repository/mcpe_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/coin-master-hack-pc_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/coin-master-hack-tool-v1-9-download-free_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-100-spin_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-offers_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/redboy-roblox-hack-easy-downlaod_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-get-free-hats-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/www-rubux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/group-funds-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/wurst-112-2_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-pics_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
font_00_sfnt_off0000325c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x325C 22352 bytes
SHA-256: b61a593ad53a8b42d951237a1e7c417c4975edbb8a5270fda353bed220331fdc
font_01_sfnt_off00006407.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6407 20368 bytes
SHA-256: 23ad3d6e918d1759986b028d7f096b512b12c2c4fc3f699ad81847ad88ea578c

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