PDF static analysis report

Static analysis result for SHA-256 47a2ce3b98abb082…

SUSPICIOUS

PDF

43.4 KB Created: 2021-06-09 15:23:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 980f73a2aefb46c850a33589b0b70b79 SHA-1: b2662188f10ac91a9cc8293d54eda40fb1a72fe4 SHA-256: 47a2ce3b98abb082f7be90984164f8659aca0e47f13b89379ad87b2b36f028fc
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a download page for 'robux-free-fr-game-hack'. The ML classifier also flagged this PDF as malicious. The document body, though heavily obfuscated, contains keywords related to free game currency and hacks, reinforcing the lure. The presence of numerous links to other PDF files hosted on 'zercalo.org' suggests a coordinated effort to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/robux-free-fr-game-hack PDF link annotation
    • http://zercalo.org/images/free-views-tiktok_GM835599320.pdfIn PDF document text
    • http://zercalo.org/images/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/get-free-robux-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-spin-links-december-30-2021_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/roblox-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/free-roblox-cinema-4d-rig_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/free-limiteds-com-roblox_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/tiktok-free-like_GM835599320.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/roblox-royale-high-dimond-hack_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-hack-apk-download-2021_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/how-do-you-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-rewards-app_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/fbchampion-com_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/https-rbx-place-rewards_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
font_00_sfnt_off00004ed1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ED1 25312 bytes
SHA-256: 3633e74ffc685493ffc4930976ea10d3f2caece1569a6788b82c46cb5338bf5f
font_01_sfnt_off00008800.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8800 18012 bytes
SHA-256: 3f1ded8a9c51e4f0f41c660fd84d3573ebe8f92a83837bcaa523a9614d650e73

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