PDF static analysis report

Static analysis result for SHA-256 c22efc2f15d050e7…

SUSPICIOUS

PDF

33.6 KB Created: 2021-07-19 19:05:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e927da91632fc6efc3b011095be0cb28 SHA-1: bec752d583f52364c4c5b4f4e61bbcfc25590327 SHA-256: c22efc2f15d050e7d7a297828cc31b3486c137979ebbbedc91494972f271ab7d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent call-to-action related to obtaining free TikTok verification. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or to deliver a secondary payload. The document body and embedded links suggest a lure for social media engagement scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/835599320/how-to-get-verified-on-tiktok-for-free-game-hack PDF link annotation
    • https://www.hobbypcb.com/images/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
    • https://www.hobbypcb.com/images/free-tiktok-likes-no-human-verification-or-download_GM835599320.pdfIn PDF document text
    • https://www.hobbypcb.com/images/is-tiktok-free_GM835599320.pdfIn PDF document text
    • https://www.hobbypcb.com/images/free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://www.hobbypcb.com/images/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.hobbypcb.com/images/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • https://www.hobbypcb.com/images/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
    • https://www.hobbypcb.com/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://www.hobbypcb.com/images/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • https://www.hobbypcb.com/images/free-minecraft-account_GM479516143.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_off00002f0c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F0C 22916 bytes
SHA-256: 3d5480f65801fca424688d70d30e330721073633f37d4378ca0ef91905e56fc0
font_01_sfnt_off00006271.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6271 17928 bytes
SHA-256: e37ad39f5ad2ca92ca27a26cd5cddcc2f7e09660446c4b75033bd08f8a796cf2

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