PDF static analysis report

Static analysis result for SHA-256 7b4eb3529e1f57a2…

SUSPICIOUS

PDF

44.6 KB Created: 2021-06-08 12:17:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 13c7437eac6cc6ea98fe9d3ff94195c8 SHA-1: 870539db7f395089af2b573923f7ed8ae80fa5e5 SHA-256: 7b4eb3529e1f57a2e258e40b95d6684104dcf16bf2499654cac443c0fae87c0d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URL that leads to a site offering 'free Robux', a common lure for gaming-related scams. The ML classifier also flagged the PDF as malicious. The document body, though heavily obfuscated, contains references to 'Buxblast Free Robux' and the same URL, reinforcing the phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/buxblast-free-robux-game-hack PDF link annotation
    • https://man1tuban.sch.id/__statics/gudangsoal/files/working-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/free-magical-chest-coin-master_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021-link_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-iphone_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/free-robux-no-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-may-2021_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/robux-now_GM431946152.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/coin-master-hack-xyz-2021_GM406889139.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/earn-free-robux_GM431946152.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-tablet_GM479516143.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/roblox-free-followers_GM431946152.pdfIn PDF document text
    • https://man1tuban.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-for-real_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
stream_004_off00005321.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5321 24580 bytes
SHA-256: 31015ac574e64382bf1ec4e036432df22d0b083b88139048c9e193c44b6a3ae9
font_01_sfnt_off00008b43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B43 18420 bytes
SHA-256: 1a021e1c8a38d774d645f8be8f373e8da684c424a49afa94df044584be1de8d8

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