PDF static analysis report

Static analysis result for SHA-256 ccff9ff810646fcb…

SUSPICIOUS

PDF

38.5 KB Created: 2021-05-24 14:09:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 875fc1d76e71b860527f90afbe795f0b SHA-1: 7ead2f3a717986d10659bd6c63fbb961a93b25c3 SHA-256: ccff9ff810646fcbd0b5579a276f483a646cbc3b1873abfe91e1044967008378
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a heuristic firing for an external URI, all pointing to sites offering game hacks. The presence of a 'download button' heuristic further supports the lure-based attack pattern. Although no scripts were explicitly extracted, the ML classifier's high confidence score and the nature of the embedded URLs suggest the document is designed to lead the user to download a malicious payload, likely through a JavaScript exploit or by directing them to a malicious website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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 https://netcdn.xyz/app/479516143/minecraft-free-online-game-hack PDF link annotation
    • https://cluster-consulting.com/images/how-to-duplicate-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/hack-coin-master-without-verification_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/robux-hack-tools_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000033fb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33FB 24644 bytes
SHA-256: 64e244cb0439b52ca0f754ba95cb423985d5c086258efdc30c08da9fd4524f99
font_01_sfnt_off00006c54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C54 3092 bytes
SHA-256: 3811f2fb1880daf4953efcc9c7427d9b438bced237490b00be4a6ec3ecea79e0
font_02_sfnt_off000076fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76FE 17644 bytes
SHA-256: d3a8b3d8bd2249c6206e1557dca74d08ec9c3b58c2328dc4779a04ae87c22ca2

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