PDF static analysis report

Static analysis result for SHA-256 d9bded308add8422…

SUSPICIOUS

PDF

30.7 KB Created: 2021-07-19 00:39:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 2100f64c00bc0d6d9b53eb40c825e574 SHA-1: 4d369015fe3129a3a7214379e5400459e1dc5c30 SHA-256: d9bded308add84221914f5963e9f4a39eb6f6d42c1c0593a98ee050acafb0ac4
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and text that promote a free Minecraft server generator, which is a common lure for malicious downloads. The ML classifier also flagged the PDF as malicious. The document body and embedded links point to URLs that likely host or lead to the execution of a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9387

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/479516143/create-minecraft-server-free-game-hack PDF link annotation
    • https://infocorrosion.com/images/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • https://infocorrosion.com/images/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://infocorrosion.com/images/free-robux-accounts_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/how-to-get-free-tiktok-fans_GM835599320.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_off0000274b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x274B 22100 bytes
SHA-256: 31c26ea6659ab0668c64e074c948b20ae7191dc8d011c9a0e8b69f23d87c5e19
font_01_sfnt_off0000583c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x583C 17684 bytes
SHA-256: 739dfd09c5bedc98bb46a6c5718dfc06afa6391c84dc1b066bb71172f329b46c

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