Malicious PDF — malware analysis report

Static analysis result for SHA-256 08fad7c997110457…

MALICIOUS

PDF

43.6 KB Created: 2021-05-15 09:38:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: b70ef67818e2be01417200499a963c87 SHA-1: e97a0531c492a80463f0eae8006514e307cd5994 SHA-256: 08fad7c99711045797030d9a5a941a195d4f75e2efbb38ce974d2194fcb7da9b
82 Risk Score

Malware Insights

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

The sample is a PDF document that displays a fake CAPTCHA or human verification prompt to trick users into clicking a malicious link. The document body and extracted URLs promote 'free Robux' or game currency, indicating a phishing or scam attempt. The embedded URL points to a domain known for distributing such lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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.xyz/app/431946152/free-robux-no-verification-no-download-game-hack
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/500-free-coin-master-spins_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/how-can-i-get-free-coinsn-coin-master_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/free-coins--spins-coin-master_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-free-download_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/free-roblox-hack_GM431946152.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/how-to-get-spins-for-free-on-coin-master_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/minecraft-pe-hack-client-2021_GM479516143.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/spinuri-gratis-coin-master_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-2021_GM431946152.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-hack-without-verification-2021_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/whats-robux_GM431946152.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/roblox-jailbreak-hack-download_GM431946152.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-35-13-hack-download_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/free-robux-2021-no-human-verification_GM431946152.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/real-roblox_GM431946152.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-game-hunters-club_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/www-coinmaster_GM406889139.pdf
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/roblox-admin-hack_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004bce.bin
b08db34ee53ba47bd1a5336571b917016abe408e21a93832d7fb1a2742fb7ae5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4BCE 25556 bytes
font_01_sfnt_off00008548.bin
529ad809d39cb86513f1fd0a7c59ac13158e8644a31ce1f1c8620f9d5ad40971		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8548 19180 bytes

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