PDF static analysis report

Static analysis result for SHA-256 164b3b39df58526c…

SUSPICIOUS

PDF

37.0 KB Created: 2021-05-22 20:13:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7977eef041e57dc473df41077dec15b1 SHA-1: 6e22546d255f98e352371053bfa85d30248e4a8a SHA-256: 164b3b39df58526c4d36640ccb56d1bd4894008cf2e05985b2ecc26867e88ae7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that explicitly advertises methods to obtain free followers for TikTok, suggesting a social engineering lure. The presence of a high-confidence ML classifier firing and multiple external URLs, including one directly related to the document's title, indicates a malicious intent to redirect users to potentially harmful content or phishing sites. No scripts were extracted from this sample, but the overall structure and content point towards a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9616

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/how-to-get-free-tiktok-followers-without-human-verification-game-hack PDF link annotation
    • http://www.studiomilone.net/images/coin-master-free-spins-2021-ios_GM406889139.pdfIn PDF document text
    • http://www.studiomilone.net/images/how-to-get-free-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.studiomilone.net/images/coin-master-free-spins-ios-2021_GM406889139.pdfIn PDF document text
    • http://www.studiomilone.net/images/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
    • http://www.studiomilone.net/images/robux-no-human-verification_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_002_off00003113.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3113 26904 bytes
SHA-256: fad263f68372791c7dc2a5592faa149b67289bf46c4adf9efc7c56a3eb13e701
font_01_sfnt_off00006dff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DFF 18820 bytes
SHA-256: 79c2bf02bc82707ab9f25b25786afb4a3e11e0d45a314ed7c066e7684dd6d9fe

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