Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccec79e9745d5668…

MALICIOUS

PDF

42.0 KB Created: 2021-05-19 00:30:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 1f3bb425e149af5c002c2395a6fe42ce SHA-1: 0af7ec0f82eb3bb0e43dd5f659f7b1a87b6e3aca SHA-256: ccec79e9745d5668f6d71bab380d36a6a9c9388e833dcc96df8603b887f24eb3
82 Risk Score

Malware Insights

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

The PDF document contains a lure for downloading an application, indicated by the 'SE_DOWNLOAD_BUTTON' heuristic and the embedded URL. The 'SE_REMOTE_SUPPORT_LURE' heuristic suggests the document attempts to trick the user into installing remote access software. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URLs points to a download or redirection mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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/optifine-pe-game-hack
    • http://laboratorium.sman2metro.sch.id/repository/free-coins-and-spins_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-apk_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-free-spins-11-01-2021_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id/repository/master-coin-free-spin_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id//repository/free-robux-live_GM431946152.pdf
    • http://laboratorium.sman2metro.sch.id//repository/can-i-get-minecraft-windows-10-for-free_GM479516143.pdf
    • http://laboratorium.sman2metro.sch.id//repository/how-to-get-free-coins-in-coin-master_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id//repository/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdf
    • http://laboratorium.sman2metro.sch.id//repository/hack-coin-master-free_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id/repository/free-game-pack-coin-master_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id/repository/free-robux-real-working_GM431946152.pdf
    • http://laboratorium.sman2metro.sch.id/repository/how-to-get-free-spins-in-coin-master-2021_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id//repository/roblox-fun-com-free-robux_GM431946152.pdf
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-free-spins-blogspot_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id/repository/minecraft-pe-apk-free-download_GM479516143.pdf
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-blogspot_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id//repository/free-robux-websites-that-actually-work-2021_GM431946152.pdf
    • http://laboratorium.sman2metro.sch.id/repository/robuxmatchcon_GM431946152.pdf
    • http://laboratorium.sman2metro.sch.id//repository/free-coin-master-spins-no-verification_GM406889139.pdf
    • http://laboratorium.sman2metro.sch.id/repository/hack-coin-master-spin-apk_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b0c.bin
ae8f3fd13951368de457a76fc30e35ad3418d684d108610c32061d6cf69f28ed		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B0C 24992 bytes
font_01_sfnt_off000083c5.bin
5a469ca17a8c140357c1150986cbf8b325a348879e3a8ed2f5f73ca7af5c2fd6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83C5 17672 bytes

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