PDF static analysis report

Static analysis result for SHA-256 99580fb2ba31f270…

SUSPICIOUS

PDF

33.7 KB Created: 2021-07-06 20:07:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 878a3cbce2504d1d3a984663ebfd42c0 SHA-1: 6b3bc685c60269875b341e2572348a47bc7ed54c SHA-256: 99580fb2ba31f27018f94ca050d72191b5b962c44ec3767934760f038fbcf541
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains embedded URLs and text related to 'free Robux' and game hacks, strongly suggesting a lure for users to download a malicious application. The ML classifier also flagged this PDF with high confidence. The primary IOC is the URL http://netcdn.tw/app/431946152/free-robux-co-game-hack, which is likely the download source for the payload.

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 http://netcdn.tw/app/431946152/free-robux-co-game-hack PDF link annotation
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-tamil-songs-music-codes-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/good-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/kill-script-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/roblox-miscreated-hacks_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/coin-master-spins-for-free_GM406889139.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/coin-master-free-spin-and-coin-link-2021-today_GM406889139.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/roblox-c9m_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-robux-codes-pastebin_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/roblox-sign-in-free-online_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/stop-it-slender-roblox-code-for-free-outfit_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/roblox-hacks-no-servays_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-android_GM406889139.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/how-to-get-free-brown-hair-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/robux-free-hack-no-survey-2021_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/hack-para-volar-en-roblox_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/robux-free-online_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
font_00_sfnt_off00002f00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F00 22052 bytes
SHA-256: 5d973402fed7eb6538c0bcd9cfef080ef1fa1c5d34abef8706e18efa83f26e9e
font_01_sfnt_off00005fba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FBA 18716 bytes
SHA-256: ae86725dd70d168e8b5a24377d7effb3bd88f81667aa3e091abc0f5759eb354b

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