Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae15a360d1b00376…

MALICIOUS

PDF

35.4 KB Created: 2021-06-30 09:13:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ae84c4c3dfe6cd5dc8fdad70ac84c2e2 SHA-1: dfe348c03fd29a46b1c3c8e3cc5ec4ca25f9946c SHA-256: ae15a360d1b003760963f0c67922cbc0f0d91ffae4843218d9b7efbd604aabdf
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacking and free in-game currency, directing users to the URL http://netcdn.co/app/431946152/como-hackear-jailbreak-roblox-game-hack. This URL likely leads to a malicious payload or phishing page. The ML classifier strongly flagged this PDF as malicious, supporting the observed lure and external URI. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/como-hackear-jailbreak-roblox-game-hack PDF link annotation
    • https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-site_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/free-items-roblox-avatar_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/how-to-get-red-valk-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/robux-free-codees-legit_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/action-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/robux-app_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/roblox-hack-999999-robux-pc-2021-august_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/how-do-you-enspect-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/free-dominus-in-roblox_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-free-gift-links-2021_GM406889139.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/hack-para-tener-750000-de-robux-gratis-5_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/free-roblox-accounts-2021-june_GM431946152.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/how-to-get-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • https://mawaridschools.com/uploaded_files/userfiles/files/free-roblox-dev-to-hire_GM431946152.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_off00003198.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3198 22952 bytes
SHA-256: 5dde568a9fdb060fdc7ecd0dfcdcdae26e830cd61d93d6e05b459e4777e2887a
font_01_sfnt_off000064e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64E3 19200 bytes
SHA-256: bd7fad0c7017f9bfbcb469ecbabb18d216f398593eb0612345562556eb51f04b

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