Malicious PDF — malware analysis report

Static analysis result for SHA-256 85e7c54d27a55264…

MALICIOUS

PDF

35.2 KB Created: 2021-07-06 23:26:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: ae9d85bdbf663be31d91255db21a0b62 SHA-1: 137c0e7759a34025aa2da169b5804955ea7da3c0 SHA-256: 85e7c54d27a55264a8b078919359deb5b89ec2950815643ed52c3c497b353d52
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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.tw/app/431946152/roblox-www-com-game-hack PDF link annotation
    • https://creationegyptco.com/userfiles/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-hack-app-for-ios_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-level-3_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-no-human-verification-2021-pc_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-use-hack-tools-in-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-free-spins-daily-fb-champion_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/freer-tiktok_GM835599320.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/100-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/get-free-gold-cards-in-coin-master_GM406889139.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_off0000320a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x320A 22440 bytes
SHA-256: 566e9aa98473e51e9084dfb274666db2a447a59459c8399e0bb2867a3833e489
font_01_sfnt_off00006444.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6444 19108 bytes
SHA-256: ceed28034d8c161028cd36873b2602c2ebba079ae57d119b604a35ba28887711

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