PDF static analysis report

Static analysis result for SHA-256 219cc1a175edc943…

SUSPICIOUS

PDF

34.5 KB Created: 2021-07-19 18:50:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ed2eb50796da9cdcd8e5e1dffb9520d0 SHA-1: 6dfbd409d52ca7297315a5ffa40a99df9bf17fe1 SHA-256: 219cc1a175edc94305210b72190d686ca97c4c8d4465e6ecaa75c94f25366c85
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent call-to-action for 'Free Robux', indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the lure suggest an attempt to redirect the user to a malicious site, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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-verification-or-survey-game-hack PDF link annotation
    • http://dahluniver.ru/images/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
    • http://dahluniver.ru/images/minecraft-free-android_GM479516143.pdfIn PDF document text
    • http://dahluniver.ru/images/free-robux-com_GM431946152.pdfIn PDF document text
    • http://dahluniver.ru/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • 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/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://dahluniver.ru/images/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://dahluniver.ru/images/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
    • http://dahluniver.ru/images/free-spins-coin-master-links_GM406889139.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_off00002d77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D77 23420 bytes
SHA-256: 2d5d7f3a0aa0652329f65ab3c7cb20897cdeaa5e7c382125cb2d6af9858d80d2
font_01_sfnt_off00006297.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6297 19080 bytes
SHA-256: 639f8102a1b831e35f5cb6da0b764cfab857c828cdece95449e85bc92486dc91

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