PDF static analysis report

Static analysis result for SHA-256 4ec8baef5a0a689e…

SUSPICIOUS

PDF

31.9 KB Created: 2021-07-20 23:56:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 19dc5c49071c8947938fa4a4e18a9712 SHA-1: 107ef14e2145a4f73ed1efa3f2c9b3fa45ba5689 SHA-256: 4ec8baef5a0a689e210ecfbab3b1745635f1f30b7b0621db1fc5cb122ed1475b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly flagged this PDF as malicious. The document contains an embedded URI pointing to a site offering 'free Robux' and game hacks, which is a common lure for phishing or malware distribution. The presence of multiple similar URLs further supports this. Although no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to a malicious website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9936

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/431946152/huskybus.com-free-robux-game-hack PDF link annotation
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/how-to-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/tiktok-likes-free_GM835599320.pdfIn PDF document text
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/free-robux-offers_GM431946152.pdfIn PDF document text
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/how-to-get-free-likes-on-tiktok_GM835599320.pdfIn PDF document text
    • https://www.mppcivils.com/wp-content/uploads/fsqm-files/minecraft-education-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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_off000027d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27D7 22228 bytes
SHA-256: ef46af139424a2cb66dade33c27c0007bae7a48e124d838e08ee0af031e1c55c
font_01_sfnt_off0000592f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x592F 18876 bytes
SHA-256: 9402df10522a16d1b141ff55a22266ea3271231ec0f53b3ff36f088be41357ce

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