Malicious PDF — malware analysis report

Static analysis result for SHA-256 e90599369ea6a1b1…

MALICIOUS

PDF

35.5 KB Created: 2021-06-29 15:53:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0ecd1916fcd5ca6412c97853f6ba6018 SHA-1: 559594538c9a37aecf49ec1da07d4507e9f9b650 SHA-256: e90599369ea6a1b1a8602b6a9c0c2fc46b505cc01ab78a2798f944046d63d7c1
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs that are designed to lure users into clicking on them by promising game hacks and free currency for Roblox. The primary lure URL is http://netcdn.co/app/431946152/hacker-tycoon-roblox-games-game-hack, which likely leads to a malicious site or a further phishing attempt. The ML classifier also strongly indicated maliciousness, supporting the assessment of a phishing or social engineering attack.

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/hacker-tycoon-roblox-games-game-hack PDF link annotation
    • http://www.sscs-uae.com/userfiles/files/how-to-glitch-to-a-free-event-item-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-hack-roblox-apocalypse-rising-2021_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-alt-accounts-free_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/robux-verification-hack_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-hack-v6-5-download_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/robux-hacks-code-admin-commands_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-make-a-costume-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/free-money-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/money-hack-roblox-pastebin-leaderboard_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/free-robux-codes-2021-june_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-get-free-robux-2021-easy-no-inspect_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-be-spongebob-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-hack-free-unlimited_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/honest-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/btools-hack-for-roblox_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-hacks-jailbrea_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/deleting-baseplate-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/coll-roblox-game-to-hack_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-hack-on-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/god-roblox-hack-script-fe_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003142.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3142 23048 bytes
SHA-256: 12bd84c934e16f85d9500d4c9430147fd9cc2770342dc0293e4648c6c9b686eb
font_01_sfnt_off0000655d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x655D 19096 bytes
SHA-256: cf336647e13fa524d67ce7b09af46f9b5ff9c6d268dcbb45aa9ad4d3d64a7092

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