Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d32c0084d269f58…

MALICIOUS

PDF

44.5 KB Created: 2021-06-01 05:32:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 32af70e0af8c63c71530a7c6e2a0c119 SHA-1: 5a21081905e2fec0aafe2ab0f26d06bbba556924 SHA-256: 0d32c0084d269f58ca0fca901fd859ecf4bcd86239c9367ec326dbdfc7099e63
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs and a prominent link to 'free-robux-download-2021-game-hack', suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, many of which are related to game cheats or hacks, further supporting the lure. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic suggests the document may instruct the user to copy/paste commands, a common technique to bypass security warnings.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 6

  • 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.
  • 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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/431946152/free-robux-download-2021-game-hack
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/cheat-codes-for-roblox-skywar-words_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/how-to-hack-someone-on-roblox_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/free-tiktok-likes-and-followers_GM835599320.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/tuto-comment-hack-jailbreak-roblox-sur-pc_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/free-robux-reel_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/how-to-hack-kohls-admin-on-roblox_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/how-to-hack-coin-master_GM406889139.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/how-to-get-free-coins-on-coin-master_GM406889139.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/roblox-booga-booga-speed-hack_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/free-minecraft-capes_GM479516143.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/how-to-play-heroes-online-roblox-for-free_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/free-robux-please_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/free-robux-hack-in-roblox_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/coin-master-free-spins-link_GM406889139.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/roblox-hack-rc7-download_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/free-tiktok-likes-trial_GM835599320.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/how-to-hack-minecraft_GM479516143.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/roblox-lumber-tycoon-2-money-hack-2021_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-2021_GM431946152.pdf
    • https://baytalebaa.com/wp-content/uploads/fsqm-files/free-minecraft-account_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000050b7.bin
80a3f0d6e9b6b370713cf5d3959bb39834cca91cad9ea3eb285820fb7437a8ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50B7 24292 bytes
font_01_sfnt_off0000881c.bin
08d53f2b4504cc3c6135aa335e188f903534267b43d10708742bf606055c8ea2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x881C 19224 bytes

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