PDF static analysis report

Static analysis result for SHA-256 53686bc69a765cdd…

SUSPICIOUS

PDF

35.8 KB Created: 2021-05-23 23:10:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 39b4548bdcb3e5c684aa330cb18d7f60 SHA-1: 51614c648266e2ea87aee3ed5cc43c06325efe64 SHA-256: 53686bc69a765cdd93246bd42d717870e0b442c92953764186723d48d5e6f5bb
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URI pointing to a URL associated with hacking tools, specifically for TikTok and Roblox. The ML classifier also flagged the PDF as malicious with high confidence. The document body, though partially corrupted, contains keywords related to hacking and free game currency, reinforcing the phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/835599320/hack-tiktok-fans-free-game-hack PDF link annotation
    • http://tc-kulmbach.de/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://tc-kulmbach.de/images/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • http://tc-kulmbach.de/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://tc-kulmbach.de/images/tiktok-followers-for-free_GM835599320.pdfIn PDF document text
    • http://tc-kulmbach.de/images/free-spins-from-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
stream_002_off00003041.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3041 27180 bytes
SHA-256: 1e9689a285059d31fb4294abd705d5d58e62c79ed0aa75ca2c483d426cbdf2d4
font_01_sfnt_off00006c7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C7A 17684 bytes
SHA-256: 3b18324811ff9b2016b67c954de883c0131a9d703a91aa0a24a49898f2a8c27e

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