Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6feb9f2923e0aed…

MALICIOUS

PDF

47.2 KB Created: 2021-05-24 09:17:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c73ef0af9cdeab07f35c27b540d2b0f3 SHA-1: e807d2a0cda54c2d1c1c35fb4646dfbbd193c3b7 SHA-256: c6feb9f2923e0aedbd4de4751cabfdd6e57a43bd49d7beec32030938dbcc5bb1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains embedded URLs and text that lure the user into downloading a 'hacked client' by presenting a fake download button. The 'ClickFix' heuristic indicates the document likely instructs the user to execute a command, such as by pressing Win+R, to bypass security measures and initiate a download or further execution. The primary URL points to a suspicious domain hosting what appears to be a game hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7663

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-hacked-client-1.12-2-game-hack PDF link annotation
    • https://reggieslockandkey.com/images/free-tiktok-likes-no-survey_GM835599320.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-minecraft-worlds_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-hack-me_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003765.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3765 24952 bytes
SHA-256: 7b6c8d294576183e476fab23e64ed3def2e08d88698c5cce1cef8dcf0931139f
font_01_sfnt_off00006f7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F7E 7936 bytes
SHA-256: 218d53b68bdddb064f6fba4be822d5b3725ed1cef1a3b42796a8dd99c4a62f4e
font_02_sfnt_off000088a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88A7 4232 bytes
SHA-256: ab6320ab342704d2c5943abfba82ed4837bf2da871c91621741fd4cfd15c6ed5
font_03_sfnt_off00009733.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9733 18280 bytes
SHA-256: 63e0cf813ec8bc820137db86bcb3617ef7dd45146c6ac783cccfa5d71b9aece7

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