Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e4e1a0ed0811090…

MALICIOUS

PDF

46.8 KB Created: 2021-06-08 23:41:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 6f6a698937aede77d96b6fbd06c9ec94 SHA-1: 31a94fd3d60cd185b7957b7f71953aa6a146ccd1 SHA-256: 2e4e1a0ed0811090a779cd42f7077df445d22e0600840202a85a1d334a11087c
82 Risk Score

Malware Insights

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

The document presents a fake CAPTCHA and a call-to-action to trick users into clicking a malicious link for free Robux. The embedded URL and numerous other URLs point to sites offering game hacks and cheats, reinforcing the lure. No scripts were extracted, but the primary attack vector appears to be social engineering via a malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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.tw/app/431946152/omg-free-robux-hack-no-inspect-or-waiting-game-hack
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-spins-for-coin-master-2021_GM406889139.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-scam_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/create-minecraft-server-free_GM479516143.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/noto-clip-hacks-roblox-wall-hack_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-to-get-100-robux-on-roblox-free-2021_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/robux-hack-no-survey-no-download_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-generator-100-working_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/install-roblox-player-free_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-human-verification_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/hacks-para-roblox-inparcheable_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-robux-promo-codes-2021_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-games-to-download-like-roblox_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/robux-glitch-free_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/roblox-welcome-to-bloxburg-money-hack_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/roblox-apocalypse-rising-hack-script_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/roblox-pokemon-cheats_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-bc-in-roblox_GM431946152.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/free-minecraft-website_GM479516143.pdf
    • https://www.awwda.go.ke/wp-content/uploads/fsqm-files/roblox-meepcity-hack_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000050fa.bin
ed6473edabe0154830ee3e20a3cf4953d90188c16b59fa334c8b4d350bd0c33d
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50FA 27840 bytes
font_01_sfnt_off000090a3.bin
bf6fe55c2bad9eaaf94bdac7b97eb7eb38d806fde77a9e33a6ede5286ea7d9b7
pdf-font-stream PDF embedded font (sfnt) at offset 0x90A3 19556 bytes