PDF static analysis report

Static analysis result for SHA-256 b1fbeacddec45c29…

SUSPICIOUS

PDF

44.6 KB Created: 2021-06-07 16:50:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 014876300da431bb29389e525e2a28f9 SHA-1: 539f342ba93392c3b169d5df9b1df0e06c004886 SHA-256: b1fbeacddec45c29ad58933fcfe7fc2d56654ca49fdf17edb5626ee8e119093e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs that lead to sites offering game hacks and cheats, indicating a lure for users to download potentially malicious files. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a malicious intent. While no scripts were explicitly extracted, the document's structure and embedded links suggest it's designed to facilitate the download of a second-stage payload.

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/roblox-admin-hack-adopt-and-raise-a-cute-kid-game-hack PDF link annotation
    • http://ines.co.rs/images/minecraft-bedrock-free-download-pc_GM479516143.pdfIn PDF document text
    • http://ines.co.rs/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-hack-without-root_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://ines.co.rs/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/bux-free-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/buxblast-com-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/how-to-download-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-hack-org_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/best-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://ines.co.rs/images/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/how-to-get-free-tiktok-fans-without-human-verification_GM835599320.pdfIn PDF document text
    • http://ines.co.rs/images/make-free-robux_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/adopt-me-roblox-hacks_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
stream_004_off00004ec4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EC4 25120 bytes
SHA-256: a8af5bf4c140b022b4236895a7ee5dfe5833175d86aa5038e1f7ab735fb50b64
font_01_sfnt_off000088f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88F9 19156 bytes
SHA-256: a7b99321a99356fb49ed73beeac65226ab4ec9eac684dcac05508eb69d1e7560

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