PDF static analysis report

Static analysis result for SHA-256 b64bdad7e1f4f9d8…

SUSPICIOUS

PDF

35.4 KB Created: 2021-05-24 19:42:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e8c14ffa4fdc7e729068dae79d28cc94 SHA-1: ab8797513b9fc5f3c2e1eadcdac33c2e2ca535ac SHA-256: b64bdad7e1f4f9d8e5b6950cb84173e2654b7b9c52f6fdd4b3e8f775a5e6c05a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs and a call-to-action phrase, directing the user towards websites that claim to offer free in-game currency. The ML classifier also flagged this PDF as malicious. The primary lure appears to be related to 'free Robux' for the Roblox game, a common theme in online scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/how-to-get-free-robux-no-verification-game-hack PDF link annotation
    • http://perpustakaan.fksb.unismabekasi.ac.id/katalog-buku/repository/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.fksb.unismabekasi.ac.id/katalog-buku/repository/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.fksb.unismabekasi.ac.id/katalog-buku/repository/how-to-get-free-shields-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpustakaan.fksb.unismabekasi.ac.id/katalog-buku/repository/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • http://perpustakaan.fksb.unismabekasi.ac.id/katalog-buku/repository/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • https://rblx.landIn 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_002_off00002fb1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FB1 24372 bytes
SHA-256: 5b4c010a67631c37a9293f8226d9f277adad94ac541a4517cbb90570ccf3f92d
font_01_sfnt_off00006795.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6795 18764 bytes
SHA-256: a0d8f559ae1a84b7fc559fdee6dca3899797d6ff6e3d64572866459a8961df23

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