Malicious PDF — malware analysis report

Static analysis result for SHA-256 c58cd25d7a9ffaf5…

MALICIOUS

PDF

35.8 KB Created: 2021-06-26 12:34:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ad5c6bd85db8e87421430564f3b003bb SHA-1: c8c2cdf28e89dca0eb380df2b9050f9b55698f9d SHA-256: c58cd25d7a9ffaf52fafbe6e72645344538b0ac9ec00a3eb4b24152930a1db3e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors and lures users with promises of game hacks and free currency. The document body, though partially corrupted, contains references to 'Roblox Money Hack Script' and a primary malicious URL. The presence of these elements strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/roblox-money-hack-script-game-hack In PDF document text
    • https://creationegyptco.com/userfiles/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/rbxoffers-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-youtube_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-verified-on-tiktok-for-free-2021_GM835599320.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-hacked-for-robux_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-net-free_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-vip-server-roblox-build-a-boat-2021_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-toys-for-free_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/cm-spin-link_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-apk-free-download_GM406889139.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_off0000327a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x327A 22840 bytes
SHA-256: 82c190afcf53ffe5560b4b86dc1c2fa14c937da145a6b7524bbf1c128aee3484
font_01_sfnt_off000065e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65E1 19432 bytes
SHA-256: 23a34b862dbabe75b308aa3c204db3d7073ba4b69810982d3cd8175f86669c3e

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