Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bd7a02167df4425…

MALICIOUS

PDF

42.5 KB Created: 2021-05-12 01:37:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 472eee325d148053120340f72e19b724 SHA-1: d8f7fa7133cb50ad05f7982b902060497edb07a0 SHA-256: 5bd7a02167df4425aecc40c76863f0e1819c096899ea106d0bc5d470e7ddf0bd
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 0.9971

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 https://netcdn.xyz/app/406889139/daily-free-spins-coin-master-heaven-game-hack PDF link annotation
    • https://creationegyptco.com/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-invite-friends-free-spins_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-gift-hack_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/robux-free-gift-card_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/androeed-ru-minecraft_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-block-someone-on-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-avatar-editor-free_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-hack-pc-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-hack-without-root_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-twitter-free-spins_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/send-me-500-2021-spins_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/robux-gainer_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
stream_003_off00004b01.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B01 24596 bytes
SHA-256: d23ddf164b1114c324c56ffa1f69c533c534771e0425d168ae74957b0be3a969
font_01_sfnt_off0000837c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x837C 18420 bytes
SHA-256: 83c7106d652078d6845a2ce66abf209357cb05486614c7f7fe473a519aef161c

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