PDF static analysis report

Static analysis result for SHA-256 3f2c8af6451090d8…

SUSPICIOUS

PDF

31.1 KB Created: 2021-07-19 03:17:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1ad1f2cc136e296c86ddfe9976b501f4 SHA-1: 0be63c16b478225b78f62a736f06035627f404c8 SHA-256: 3f2c8af6451090d87263db1a53baf197a032d41f14f469f93ef082a18b239d97
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 for a "Free Tiktok Likes Trial" that redirects to a suspicious domain. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or malware distribution. Although no scripts were explicitly extracted, the presence of numerous links and the ML detection suggest the document is designed to trick users into navigating to potentially harmful external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9893

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/free-tiktok-likes-trial-game-hack PDF link annotation
    • http://grugliascogiovani.org/images/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-robux_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-tiktok-fans-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
    • http://grugliascogiovani.org/images/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://grugliascogiovani.org/images/minecraft-free-online_GM479516143.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://grugliascogiovani.org/images/how-to-hack-peoples-roblox-accounts_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_off00002783.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2783 22416 bytes
SHA-256: 73dcaaeafdc7b7648f3ab3ad70592176b38fe1b0dc3afb70d84c912053b7d009
font_01_sfnt_off00005922.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5922 17756 bytes
SHA-256: 9d76c6faa2ac5c2cb25d5c28859cdf9fe3589154660ff5d1bcb1376c3aae0ade

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