Malicious PDF — malware analysis report

Static analysis result for SHA-256 f348365bdb8859af…

MALICIOUS

PDF

56.4 KB Created: 2021-05-11 23:04:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 42109f90acb97c0ab7ac62096366cfe0 SHA-1: 254f47f02160357236095ab7554fc66872b06725 SHA-256: f348365bdb8859af21ee6fe09a1081cc47601033df8e02e0fd94e702fb545cb2
62 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs and a visual call-to-action button, strongly suggesting a social engineering attempt to trick the user into downloading a payload. The ML classifier also flagged this PDF as malicious. The URLs point to domains associated with game cheats and hacks, indicating a lure for potentially unwanted or malicious applications.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8128

Heuristics 4

  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/406889139/daily-coin-master-free-spin-apk-game-hack
    • http://110.232.83.89/slimsppks/repository/free-robux-no-verification-or-survey-2021_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/rbxdemon_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/how-to-hack-people-in-roblox_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/master-coin-free-spin_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/how-to-get-free-robux-no-survey_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/robux-hack-2021_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/free-coin-master-hack-no-verification_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/coin-master-free-spin-today_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/hack-coin-master-using-pc_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/fast-robux-online_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/robux-giver_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/clean-master-hack-coins_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/how-do-we-get-free-robux_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/how-to-change-your-roblox-username-for-free_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/coin-master-mod-apk-hack_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/online-hacking-tricks-coin-master_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/coin-master-daily-free-spins-link-app-download_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/roblox-admin-hack_GM431946152.pdf
    • http://110.232.83.89/slimsppks/repository/coin-master-hack-activegamer_GM406889139.pdf
    • http://110.232.83.89/slimsppks/repository/coin-master-free-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004d0a.bin
2ffb6d4ae09193f123db8470a3957c4f8f0900c77ca50fe1458e8f70e3bd653d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D0A 27140 bytes
font_01_sfnt_off00008cc1.bin
d8bc7cd69a69a1851b9d97904f75bbed90a34b65b74f944d896bc28551c46133		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CC1 3152 bytes
font_02_sfnt_off000097cd.bin
cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97CD 7960 bytes
font_03_sfnt_off0000aaf2.bin
f742b896080f556428e397b41111c37328508f14d40aa043f47df4a758656a88		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAAF2 18476 bytes
font_04_sfnt_off0000cd82.bin
fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCD82 4272 bytes

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