Malicious PDF — malware analysis report

Static analysis result for SHA-256 32261653eb808575…

MALICIOUS

PDF

35.8 KB Created: 2021-06-30 12:25:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 24a6c361145028f4ac89bcaf8ae002c9 SHA-1: 6713de036d8b90d5883a44b2e2f3d18e3eea56aa SHA-256: 32261653eb80857574c0a66ae3131cbcb4cdf3c66d96a39feed3e374b06fc6bd
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are presented as downloadable PDFs related to game cheats and hacks, such as 'free Robux'. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of such links, suggesting a coordinated effort to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The presence of embedded URLs and the document's theme strongly suggest 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.co/app/431946152/night-of-the-werewolf-roblox-hack-game-hack
    • https://satuoblong.com/ckfinder/userfiles/files/do-u-want-free-robux_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/descargar-hack-de-robux-para-roblox-2021_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/coin-master-free-spins-link-download-today_GM406889139.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/real-robux-generator-2021_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/rbx-free_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/free-minecraft-bedrock-server_GM479516143.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/how-to-get-free-schrt-in-robux-copyng-it_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/best-free-clothing-on-roblox_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/free-robux-for-free_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/how-to-get-free-redeem-roblox-card-for-robux_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/roblox-how-to-make-a-free-t-shirt_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/free-robux-with-no-verification_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/free-game-pack-coin-master_GM406889139.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/get-free-robux-today_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/free-card-collection-in-coin-master_GM406889139.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/coin-master-hack-2021-android_GM406889139.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/coinmaster-twitter_GM406889139.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/coin-master-free-spin-group_GM406889139.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/how-can-you-get-robux-on-roblox-for-free_GM431946152.pdf
    • https://satuoblong.com/ckfinder/userfiles/files/how-to-get-free-robux-glitch-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003506.bin
f4d9eab0f02079a92bd88a46a353a974c26afb7586667be8c563df4ce5ee5211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3506 22072 bytes
font_01_sfnt_off00006604.bin
13701d93d93d4c645f6f40fb8ee99da277199065bd53d439bfb3239f00a359d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6604 19408 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.