PDF static analysis report

Static analysis result for SHA-256 9d8d719956c9400e…

SUSPICIOUS

PDF

34.1 KB Created: 2021-07-20 21:23:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ff5c224ca355a1ad74c818208167de91 SHA-1: 5991c4d308dee63909ad5a1bd8c3ad5914b5d481 SHA-256: 9d8d719956c9400e313e4e46baabbbdb818287b7daf0e7ca732b866d3694ba3b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicated maliciousness, and the document contains a prominent link to 'netcdn.tw' promoting free TikTok followers. While no scripts were directly extracted, the PDF structure includes embedded links that likely lead to malicious sites or further downloads, consistent with a phishing or scam lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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-followers-no-verification-or-survey-game-hack PDF link annotation
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/free-robux-please_GM431946152.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/free-robux-cards_GM431946152.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • https://perpus.stmkg.ac.id/stmkg-perpus/repository/coin-master-free-gifts_GM406889139.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
font_00_sfnt_off00002efb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EFB 22956 bytes
SHA-256: 8b355d841d76a80c12583e78dfa1277170cf7477a7031bc9603770694b969747
font_01_sfnt_off000062b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B0 18492 bytes
SHA-256: 4d8c0727d58b59d2b63319bab821bc095baa93826ac3da826e0a8bde5531d4a4

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