Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd378af12d0e02ab…

MALICIOUS

PDF

46.7 KB Created: 2021-05-19 06:15:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a5fcf4f2af797f422576cf2725a60304 SHA-1: 78fbf250ec2178a73de5b57e785830bf44ba375a SHA-256: fd378af12d0e02abc79a7d54da7d595727e0dfccdf937ebe206e1fd5addafd97
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

This PDF document employs social engineering tactics, specifically a 'ClickFix' lure, to trick users into running commands via Win+R or a terminal. The embedded URL points to a site offering a 'Minecraft Dungeons hack', suggesting the document's primary purpose is to facilitate the download and execution of a malicious payload. No scripts were extracted, but the heuristics strongly indicate an attempt to bypass security measures and execute arbitrary code.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 5

  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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/how-to-get-minecraft-dungeons-for-free-game-hack
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/mcpe-master-hack-unlimited-coins-apk_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/ways-to-get-free-robux-2021_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/robux-without-verification_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-70-spin-link_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/minecraft-xbox-one-free_GM479516143.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/javascript-free-robux_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/roblox-group-free-robux_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-android-1_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-much-robux-can-you-get-with-1-million-dollars_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-for-kids_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-with-no-survey_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-ios_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-spin-link-2021_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-mod-version-free-download-2021_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/play-games-for-robux_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-free-cards-link-2021_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021-hack_GM406889139.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-generator-2021-no-human-verification_GM431946152.pdf
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-hack-coin-master-game_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004e1a.bin
4beb0fe66d63971b2cae449736bf58e218c98fe7a00c253b063e160e820f710c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E1A 26100 bytes
font_01_sfnt_off000089d7.bin
96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89D7 2820 bytes
font_02_sfnt_off00009378.bin
65ee82f26cafa7906902f4dbf8f4098f0781a130d3f16ad2d63d9ccc83542dd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9378 18472 bytes

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