Malicious PDF — malware analysis report

Static analysis result for SHA-256 afa04fa2b6be079e…

MALICIOUS

PDF

34.9 KB Created: 2021-06-30 08:15:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f8c8510dbf120b678c2746cb288e0861 SHA-1: 665bd839c00306a12704e06a274a4027ec1dea7b SHA-256: afa04fa2b6be079e2aca2246fe21eb22ae452e72838313acdae60a8c6ff092e7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document is identified as malicious by an ML classifier and contains an external URI pointing to a potential payload. It also includes a lure instructing the user to copy and paste content into a shell, likely to execute a downloaded second-stage payload. The document body and embedded URLs suggest a scam related to game cheats and currency.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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
  • 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 http://netcdn.co/app/431946152/roblox.com-free-robux-obby-game-hack PDF link annotation
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/get-free-lives-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/hack-money-server-roblox_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/coin-master-homepage_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-now-gg_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/coin-master-free-400-spin-link_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/ninja-legends-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/coin-master-free-spins-daily-1-ga_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/minecraft-for-free-games_GM479516143.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/how-to-get-verified-on-tiktok-for-free_GM835599320.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-no-sign-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/apps-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-hats-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/coin-master-twitter_GM406889139.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-join-a-grroup_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/get-free-robux-now_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-avatars-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/como-hacker-roblox-en-ordenador-en-1-paso-robux-free_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_off000032b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32B9 21856 bytes
SHA-256: c8b60be31dc1bbf320070fb8227cc4e54c959629bb91e94e3cf6bcef7a62b9c9
font_01_sfnt_off000062e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E3 19296 bytes
SHA-256: 51f14ff643373f23f896161a876eedbe26795c6ecea02a07384838b4327b0773

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