PDF static analysis report

Static analysis result for SHA-256 cd549724152bf3b4…

SUSPICIOUS

PDF

31.6 KB Created: 2021-07-19 05:10:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 6aec9a2f6963c869ff0279517ca775b8 SHA-1: 54c1cdbe2d1498957bf5fe2a88137b755f126750 SHA-256: cd549724152bf3b4b1669967503908c7f638b7009088f0fabef36b5acfe67c3c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and explicit calls to action related to obtaining free game currency or cheats, such as 'Free Robux No Survey' and 'CLICK HERE TO ACCESS ROBUX GENERATOR'. The primary URL, http://netcdn.tw/app/431946152/free-robux-no-survey-game-hack, is suspicious and likely leads to a malicious download or phishing page. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/431946152/free-robux-no-survey-game-hack PDF link annotation
    • http://dahluniver.ru/images/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://dahluniver.ru/images/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://dahluniver.ru/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://dahluniver.ru/images/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • http://dahluniver.ru/images/minecraft-free-android_GM479516143.pdfIn PDF document text
    • http://dahluniver.ru/images/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://dahluniver.ru/images/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdfIn PDF document text
    • http://dahluniver.ru/images/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
    • http://dahluniver.ru/images/minecraft-java-edition-free_GM479516143.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_off000029e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29E9 21380 bytes
SHA-256: b6899561b2610ad072dc981e5774d945dc5d70b66e4963146609c31e65fdb68f
font_01_sfnt_off0000589b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x589B 18496 bytes
SHA-256: f1852515f6cdc259a9f9af6ce41fbc8d14471d9d90ecd59e65f12ed96f7d901b

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