PDF static analysis report

Static analysis result for SHA-256 4d8583b246ee7413…

SUSPICIOUS

PDF

43.4 KB Created: 2021-05-17 05:37:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 33b9eee2a640a71ac117fd352e178ca8 SHA-1: 860d491f3d6ca13382d7dc9e485e8f3232268654 SHA-256: 4d8583b246ee74133f32afc27a65b38c1b48f009122e86fd76e5ffd333253501
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URI pointing to a URL that offers free game-related content, likely as a lure. The ML classifier strongly flagged this PDF as malicious, and the document body, though heavily obfuscated, contains text related to 'free Roblox gift card codes'. This suggests a phishing or social engineering attack aimed at tricking users into downloading a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/free-roblox-gift-card-codes-2021-game-hack PDF link annotation
    • http://www.donjastubica.hr/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://www.donjastubica.hr/files/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
    • http://www.donjastubica.hr/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://www.donjastubica.hr/files/coin-master-daily-spins_GM406889139.pdfIn PDF document text
    • https://www.donjastubica.hr/files/coin-master-33-hack-version-download_GM406889139.pdfIn PDF document text
    • http://www.donjastubica.hr/files/free-robux-only-username-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.donjastubica.hr/files/coin-master-hacks-reddit_GM406889139.pdfIn PDF document text
    • http://www.donjastubica.hr/files/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
    • http://www.donjastubica.hr/files/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • http://www.donjastubica.hr/files/free-arsenal-hacks_GM431946152.pdfIn PDF document text
    • https://www.donjastubica.hr/files/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://www.donjastubica.hr/files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://www.donjastubica.hr/files/coin-master-100-spin-hack_GM406889139.pdfIn PDF document text
    • http://www.donjastubica.hr/files/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
    • https://www.donjastubica.hr/files/free-roblox-money_GM431946152.pdfIn PDF document text
    • http://www.donjastubica.hr/files/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
    • https://www.donjastubica.hr/files/202100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.donjastubica.hr/files/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • https://www.donjastubica.hr/files/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://www.donjastubica.hr/files/best-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049f8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49F8 25408 bytes
SHA-256: aa81caeeb7719a48819385bb1725fe794ae906f5c94cb2175f9de1e8a956dd4d
font_01_sfnt_off00008542.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8542 18976 bytes
SHA-256: da888a05767b354bf4a788b28622fcb1db99041a598c845d67a69c5c37b8a5f7