PDF static analysis report

Static analysis result for SHA-256 71242b82f3ecf888…

SUSPICIOUS

PDF

44.5 KB Created: 2021-05-15 12:33:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c515c051df5fc635f7526d40e4ac5e92 SHA-1: 85ec4123f142812d6be048906183b6293efeab54 SHA-256: 71242b82f3ecf88802f5b03f885c7d9df26934817071f3fc08aa4f50d02abcfb
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a lure for 'free Robux' and embeds multiple URLs, including one to 'netcdn.xyz', suggesting a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. The embedded URLs likely lead to further malicious content or downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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-on-phone-game-hack PDF link annotation
    • http://seniorenverband-brh-nds.de/images/all-links-for-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/roblox-sexually-abused_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/play-roblox-free-online_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/roblox-demon_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/free-robux-com_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/free-robux-cards_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/free-minecraft-gift-codes_GM479516143.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/ios-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/coin-master-links-to-free-spins_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/free-robux-com-real_GM431946152.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/how-to-get-free-robux-com_GM431946152.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_off00004c72.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C72 27264 bytes
SHA-256: 4cfb96276705a7555dca8d492055d36b371fd441a820394ee46e2c8f389624a5
font_01_sfnt_off00008b0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B0B 18600 bytes
SHA-256: 4aaa4dd608c1f398ea3b3714e579938e54c8b6ebc42d5b365d603cdfd05c4e85