Malicious PDF — malware analysis report

Static analysis result for SHA-256 970825e1648e0cb8…

MALICIOUS

PDF

34.5 KB Created: 2021-07-06 00:03:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 24e270bee3e1d61773f8c2c83b00832b SHA-1: 114c9256f150b602739e3a0162aec3576595ffc4 SHA-256: 970825e1648e0cb8b9c6bc711c0af3bb78db04d67e76d01a44d539dd9d86b474
102 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a malicious lure, employing a link farm strategy to direct users to external resources. The document body and extracted URLs suggest an attempt to trick users into downloading game hacks or cheats, which is a common social engineering tactic. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.tw/app/431946152/mad-city-roblox-hack-pain-game-hack
    • https://library.itn.ac.id/perpusitn/repository/coin-master-hack-mod-apk_GM406889139.pdf
    • https://library.itn.ac.id/perpusitn/repository/hack-tool-roblox-pokemon-adventures_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/hack-coin-master-online-without-human-verification_GM406889139.pdf
    • https://library.itn.ac.id/perpusitn/repository/hack-royale-high-roblox_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/free-robux-for-roblox-without-human-verification_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/roblox-free-robux-generator_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/roblox-longest-super-fun-obby-cheats_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/coin-master-hack-online_GM406889139.pdf
    • https://library.itn.ac.id/perpusitn/repository/simple-hack-com-roblox_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/roblox-blood-moon-tycoon-hack-v3rmillion_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/free-stuff-on-roblox-catalog-2021_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/cheat-engine-bypass-roblox-download_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdf
    • https://library.itn.ac.id/perpusitn/repository/how-to-get-hacks-on-roblox-prison-life_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/exploit-hack-roblox-free-download-mod-menu-pc_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/what-does-e-free-do-in-roblox_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/free-robux-2021-september_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/hacks-for-jailbrak-roblox_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/awesome-free-stuff-on-roblox_GM431946152.pdf
    • https://library.itn.ac.id/perpusitn/repository/100-free-spins-for-coin-master-2021_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003057.bin
10e7a4ea827fcb867c368a0119289de95419d5dc64dcc080f5fda25540c8bf13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3057 21988 bytes
font_01_sfnt_off000060a6.bin
01a99b6241601694b2f246145d5e83e3842513daf012af9508fbacf41bb7df95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60A6 19396 bytes

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