PDF static analysis report

Static analysis result for SHA-256 7941f69bcd9fbdf8…

SUSPICIOUS

PDF

34.0 KB Created: 2021-07-05 19:10:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8ecd91ce87f70e328c7e71cbf44498e9 SHA-1: 13cbe07b7c39b23049252266a705b2eed4e7ded4 SHA-256: 7941f69bcd9fbdf86bcce96eae32a36447252909ec34789daa99319f7e62841f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that explicitly mentions 'Roblox Help Free Robux' and 'hack', alongside a heuristic firing for an external URI pointing to a similar lure. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the presence of these lures and the high ML score suggest the document is designed to trick users into visiting malicious sites, likely to download malware or engage in phishing. The primary attack pattern observed is social engineering via a phishing attachment.

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/roblox-help-free-robux-game-hack PDF link annotation
    • http://perpus.unpam.ac.id/repository/roblox-icebreaker-hack_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-minecraft-hosting_GM479516143.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-robux-working_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/hack-coin-master-download_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/robux-de-com-hack_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-robux-group_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-hack-ios-without-verification_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/toolbox-for-minecraft_GM479516143.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/gold-cards-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-hack-spins_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/roblox-vehicle-simulator-hacks_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/how-to-legally-get-free-spins-in-coin-master_GM406889139.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_off00002e3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E3F 22388 bytes
SHA-256: 5d282e5c0e51428e58d6ffc2341ac817e0dd138c30400c4b52db66f7c260fd45
font_01_sfnt_off00006038.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6038 18968 bytes
SHA-256: e6d3133e218776b7d87035f377c26f4245cc7a54287827524eb781a63c565006

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