PDF static analysis report

Static analysis result for SHA-256 6a8d5deedc772547…

SUSPICIOUS

PDF

33.9 KB Created: 2021-07-20 06:25:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: bcff316e806c219c8cbf3dc99ed92ca4 SHA-1: 29fa2fdb755ca2a687373a30fddad97aa9da89ec SHA-256: 6a8d5deedc7725472d3fda194620d433f29636520abeaa40aefe9ea5ae1df38c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for "Free Robux" and "game hacks", directing users to a suspicious URL. The ML classifier flagged this PDF with high confidence, indicating malicious intent. While no scripts were directly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to trick users into downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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-no-human-verification-no-survey-game-hack PDF link annotation
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
    • https://www.st-leonards-stafford.staffs.sch.uk/admin/ckfinder/userfiles/files/how-do-i-get-free-robux_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_off00002d6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6D 22468 bytes
SHA-256: 7c5c21153d4dd3a1fefda590feca9736b3c834fc700a06a280e7305c51591479
font_01_sfnt_off00005f73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F73 19340 bytes
SHA-256: eb1e8621334ed51a94bbc255bf386eec5599657d3bf0a8f729de6b7a7c130168

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