PDF static analysis report

Static analysis result for SHA-256 3a4c446b14f50189…

SUSPICIOUS

PDF

44.6 KB Created: 2021-04-27 17:21:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: fe9fa79fca5cd5f2e980022cd9054dc5 SHA-1: 7c1659aa59b6a7514522f9f3cb2dd8e179e65669 SHA-256: 3a4c446b14f50189df05eaa5cd7b165319e4e330d03a1f0ca54e4cb2053359d7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a prominent call-to-action button, suggesting an attempt to trick the user into downloading a malicious file. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of external URIs and the overall context point towards a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9863

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/btools-roblox-hack-download-free-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/roblox-hack-menu-jailbreak-2021-abril.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-on-adopt-me.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-free-complete-game.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-how-to-get-free-robux-june-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-dungeon-quest-hack-download.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-no-buying-armanda.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/skin-hack-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-boy-shirts-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/como-hackear-cuentas-de-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/what-does-ce-stand-for-the-hack-for-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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000426a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x426A 25452 bytes
SHA-256: c993d0c0ff24d6adff00be317ddc3c3e7029fa52e7354fa52f45d93dc80f95eb
font_01_sfnt_off00007da1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA1 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00008a49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A49 18956 bytes
SHA-256: 9f0b6cf38e7324f679123c7f7ebb55eea2376890861b1ead387762e2c1244020

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