PDF static analysis report

Static analysis result for SHA-256 d5e2b961c386bd51…

SUSPICIOUS

PDF

37.0 KB Created: 2021-05-21 07:28:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 374ab0b697474ffb4c6790b502aa4594 SHA-1: 7766c7fefed6f5d4da55b14fdf06c0a555143ec0 SHA-256: d5e2b961c386bd51c03ef77773be98dc79ca68113900430e49a1ff1a2ef2aee2
32 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a clear lure for 'Free Tiktok Followers Instantly' and an embedded URL pointing to a suspicious domain. The heuristic 'SE_CALLBACK_LURE' suggests a potential scam context, and the presence of an external URI indicates an attempt to redirect the user to a malicious site. No scripts were extracted, but the overall pattern suggests a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0076

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/free-tiktok-followers-instantly-game-hack PDF link annotation
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002bac.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2BAC 24760 bytes
SHA-256: a966e26a95cd76c9cbfbec7e5ab9f6d3006b1b3b431fc7111f9303002177d9c9
font_01_sfnt_off0000651c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x651C 3124 bytes
SHA-256: d6dd29adb69da7f9a23a5e3791282a61e2f811794f560a0c409c8747766d9102
font_02_sfnt_off00006fd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD5 18100 bytes
SHA-256: f27faf11ab9b731ff59c8a2736de67f71ae1dcd874c0843e76df7710bacb1c6d

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