PDF static analysis report

Static analysis result for SHA-256 8b4264fa04d1cd8f…

SUSPICIOUS

PDF

32.8 KB Created: 2021-05-22 19:44:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7b7167add7dec89b8719ccca119deb98 SHA-1: 4065cbe563f0cf5ccc0cc0a249602317c8585221 SHA-256: 8b4264fa04d1cd8f7804a01c245a235d751d089b27bdb0c7cec70ee5843075d1
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free fans on TikTok' and 'game hack' generators, directing users to a suspicious URL. This suggests a phishing or scam attempt to redirect users to a potentially malicious site. While no scripts were explicitly extracted, the PDF structure and embedded URI heuristics indicate an attempt to exploit user interest in such topics for malicious redirection.

Machine Learning

  • Nyx PDF Classifier clean score 0.0718

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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-fans-on-tiktok-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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002940.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2940 24352 bytes
SHA-256: 4d425d30c13c261256f524b3d591b4ab55bb75fbfc02759144cb486b5b6c4326
font_01_sfnt_off000060f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60F2 17684 bytes
SHA-256: c4bad94708efb6699dc1c2f19668affdeb9abfa27890915707a4ba319d25bbbf

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