PDF static analysis report

Static analysis result for SHA-256 20722df9a74ba643…

SUSPICIOUS

PDF

40.6 KB Created: 2021-04-27 10:56:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 4d020ac79435a5c900fcff33daf0ba9c SHA-1: 7e1a980ec93bc254168d26248fe76e00b4fb392e SHA-256: 20722df9a74ba643e3fb03021c139c63b7a23f81934c34b66226cf7339a21fc6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a site offering a 'Robux Hack App'. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous links to 'free Robux' or 'hack' related PDFs suggests a phishing or malware distribution attempt. While no scripts were directly extracted, the document's structure and embedded links indicate it's designed to trick users into downloading potentially harmful software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/robux-hack-app-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/free-450-robux-hat.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-generator-cheat.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-wls-3-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-mad-city-money-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/robloxian-roblox-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-hack-on-roblox-assain.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-without-human-verification-or-survey-or-offers.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/robux-hack-joining-groups.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-free-online-no.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hacker-names-roblox.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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_003_off00004087.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4087 26084 bytes
SHA-256: db22864a33ebca3de2f6916e5c06080755426bea009dbc402546ee5b8cb3f2db
font_01_sfnt_off00007c54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C54 18424 bytes
SHA-256: 300817f3f477b1ad9a73ea6d5c86d22640a1c5b589173350fead3229160a3afc

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