PDF static analysis report

Static analysis result for SHA-256 d28819b235b8e3ff…

SUSPICIOUS

PDF

42.4 KB Created: 2021-05-18 05:57:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 2df56dcbb02ac5bc77e84166ee3476af SHA-1: c9366643c7c38bf34fc0ce1c1c0db704b3c9a1f9 SHA-256: d28819b235b8e3ff2d3556e705b6123cf49d359befd056ce37e3bbae253f806d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a document body that advertises a "Coin Master Hack 2021 Link", strongly suggesting a social engineering lure to trick users into downloading a payload. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of embedded URIs and the overall context point towards a malicious document designed for initial access.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/coin-master-hack-2021-link-game-hack PDF link annotation
    • http://moskewicz.com/images/how-long-is-the-minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://moskewicz.com/images/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/how-to-hack-coin-master-without-root_GM406889139.pdfIn PDF document text
    • http://moskewicz.com/images/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • http://moskewicz.com/images/blox-rewards_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/how-to-get-free-roebucks_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://moskewicz.com/images/get-free-spins-on-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • http://moskewicz.com/images/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/coin-master-free-spin-generator-without-human-verification_GM406889139.pdfIn PDF document text
    • http://moskewicz.com/images/minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • http://moskewicz.com/images/how-to-make-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://moskewicz.com/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://moskewicz.com/images/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
    • http://moskewicz.com/images/free-spin-online-tool-coin-master_GM406889139.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_003_off00004a45.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A45 24936 bytes
SHA-256: 2ded44afb6310070bcbc1f56e522b498b6250180bce84a38adf04e04e6ddb61f
font_01_sfnt_off000083bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83BB 18116 bytes
SHA-256: 17974cef81917e5ef69542194afa433aff210173cc902887fbc2b56a9328dd03

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