Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c2d00713b7d4929…

MALICIOUS

PDF

35.4 KB Created: 2021-05-21 10:34:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 2caa02207d9eab289f0dd827554ff48f SHA-1: caa338fe24ef4b6afebad9ac7049106fba8e7e25 SHA-256: 7c2d00713b7d4929aad13eecb49a7f86a4a88c205a4e0099cc7d07e0b50b888b
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure and a prominent call-to-action to access a "Roblox Free Followers" generator. It embeds multiple URLs, including one pointing to `https://netcdn.xyz/app/431946152/roblox-free-followers-game-hack`, which likely serves as the initial download or phishing destination. The document's structure and content strongly suggest a social engineering attempt to trick users into clicking malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/roblox-free-followers-game-hack PDF link annotation
    • http://www.middleeastautorepair.com/uploaded_files/userfiles/files/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://www.middleeastautorepair.com/uploaded_files/userfiles/files/spin-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.middleeastautorepair.com/uploaded_files/userfiles/files/pokemon-go-no-free-raid-pass_GM1094591345.pdfIn PDF document text
    • http://www.middleeastautorepair.com/uploaded_files/userfiles/files/what-do-points-do-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.middleeastautorepair.com/uploaded_files/userfiles/files/minecraft-pe-mod-menu_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000300e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x300E 24784 bytes
SHA-256: b7cd1e6ea70e74e972b91a1ab0c1ec29cbe65d5c6d5380161e7b6ec2eb73aabb
font_01_sfnt_off0000698e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x698E 18112 bytes
SHA-256: 09eaf6273d9322970c88a31482dbdf968207cb1ef73b55d7fd121c1bcc1f7e48

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