Malicious PDF — malware analysis report

Static analysis result for SHA-256 511f590574988686…

MALICIOUS

PDF

43.5 KB Created: 2021-05-18 01:13:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 9155dec8e73013cd152d2b00156a2248 SHA-1: c9d29c7d68efa69a0c5fa26206df91b91d2e986f SHA-256: 511f59057498868653abc297a71ecdb64d82276b5b69b75bf02a4d38cfe1a5ea
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File T1059.003 Windows Command Shell

The PDF document employs social engineering tactics, presenting itself as a game download lure to trick users into executing commands. The 'SE_CLICKFIX' heuristic indicates the document likely instructs the user to press Win+R or paste a command into a terminal, which is a common method to bypass macro restrictions and directly execute malicious payloads. The embedded URLs point to sites offering game hacks and downloads, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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/479516143/minecraft-free-download-mac-full-version-game-hack PDF link annotation
    • https://www.manmed.info:443/images/hack-coin-master-8-ball-pool_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-coin_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/moon-active_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/get-gold-coin-master-village-hack_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/download-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-free-items-glitch_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/minecraft-pe-hack-client-ios_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-co_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/scaffold-minecraft-hack_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-roblox-com_GM431946152.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
font_00_sfnt_off00004cb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CB3 25660 bytes
SHA-256: eb1ec6294f83bf1e928398aae4ae53c78c56305da5919e86a4cc83cc9bf510ae
font_01_sfnt_off000086f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86F2 18564 bytes
SHA-256: 574dcfe716694b9e694caafd459ab3045eb2e03b00ed18be0723273a3324c3f2

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