PDF static analysis report

Static analysis result for SHA-256 d83f0c846d6b88cc…

SUSPICIOUS

PDF

43.0 KB Created: 2021-06-03 15:13:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3f2d82ed530301c6901c1e3321307413 SHA-1: eeba22b5b905f32b2834efd45c2e227cbeca09d9 SHA-256: d83f0c846d6b88cca0edc74f54d735f7f7e3ad58fe9730076df26349f6e44f87
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a prominent link to a URL that offers 'Coin Master Hacks Free Spins', indicating a lure for potentially unwanted or malicious downloads. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URIs further supports a malicious intent. Although no scripts were explicitly extracted, the document's structure and embedded links suggest it's designed to trick users into visiting a site that likely hosts malware or facilitates scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9874

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.online/app/406889139/coin-master-hacks-free-spins-game-hack PDF link annotation
    • https://www.jcn.co.uk/uploads/files/files/roblox-microsoft-rewards_GM431946152.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/coin-master-daily-free-spins-link-march-2021_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/coin-master-link-daily-get-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/free-spins-coin-master-without-completing-offers_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/hack-coin-master-game-apk-download_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/coin-master-cheats-for-free-spins_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/free-coin-master-gift-link_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/is-minecraft-free_GM479516143.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/free-robux-link_GM431946152.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
    • https://www.jcn.co.uk/uploads/files/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004ebd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EBD 24324 bytes
SHA-256: 8b33e9880cd39a0a96ff59de0abc660046bdcaa9e807533662f49d448624f63a
font_01_sfnt_off00008628.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8628 18056 bytes
SHA-256: 12d79a7ddbb75c7a0854102822057d5441bee2ca4a20c79f8211a3d0b9a1f375