PDF static analysis report

Static analysis result for SHA-256 66fb49743a585711…

SUSPICIOUS

PDF

33.3 KB Created: 2021-06-22 11:45:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: fd050b8bffcd3fa51f421970ef7626e8 SHA-1: 55463368767cfd2b4391e15274c3ac770960c2c9 SHA-256: 66fb49743a5857112ece0254d7302a155eeb079536f523a24a152e45a604935e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs and a call-to-action phrase, strongly suggesting a phishing or social engineering attempt to trick users into downloading a malicious payload. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the document's content indicate an intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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.co/app/431946152/roblox-free-survete-addidas-game-hack PDF link annotation
    • http://zercalo.org/images/roblox-welcome-to-bloxburg-cheat_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/roblox-hack-client_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-promo-codes-2021-no-hack_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/roblox-redeem-card-pin-free_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/bluebird-free-roblox-youtube_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/roblox-crashes-when-cheat-engine-is-open_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/tiktok-free-view-iphone-6s_GM835599320.pdfIn PDF document text
    • http://zercalo.org/images/roblox-walkspeed-hack-cheat-engine_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/roblox-cheats-i-found_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/dungeon-master-roblox-hack_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/roblox-prison-life-noclip-hack-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-vidoe-star-egg-roblox_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/how-to-hack-into-coeptus-roblox_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_off00002a96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A96 22312 bytes
SHA-256: 0f25d4113c9cea7a56df7cd11ea3e0ec7d77b6b77652429e24707324e879dbcf
font_01_sfnt_off00005c66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C66 19300 bytes
SHA-256: e12da50ad4fceeda0c816154707b2dc3ee1fd73c99fe26304c6c87d9dcf4f3e0

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