PDF static analysis report

Static analysis result for SHA-256 60d841235d685c2e…

SUSPICIOUS

PDF

32.5 KB Created: 2021-07-19 09:24:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: ea7b05caa13938170616fa8484ccaf12 SHA-1: ef1c5c90e2d8d5a75ef0374287a7be4f053db53f SHA-256: 60d841235d685c2e8f1266b8f875c2f27bf1b8336d7b80b5b9cd6f52e508a50c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document contains embedded URLs and text that promote free spins for Coin Master and Robux, suggesting a lure for users to download an application. The ML classifier also flagged this PDF as malicious. The primary URL points to a potential application download, indicating a likely attempt to deliver a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9496

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.tw/app/406889139/free-spins-for-coin-master-2021-game-hack PDF link annotation
    • https://edu.kyst.com.tw/image/data/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://edu.kyst.com.tw/image/data/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://edu.kyst.com.tw/image/data/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://edu.kyst.com.tw/image/data/files/free-robux-codes-generator_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
stream_002_off00002888.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2888 23432 bytes
SHA-256: 6ce8fa1b986ee5b49a95baa06e39054a9c7c2e3e839d9daecafa3372856ee751
font_01_sfnt_off00005d89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D89 18288 bytes
SHA-256: 66febbde5b4b2b6a44609229e8681f3f0581fff3ed5f82ed8e3d83342858c217

Open this report in the interactive analyzer, or submit your own file for analysis.