Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3a6d859bad71d78…

MALICIOUS

PDF

44.8 KB Created: 2021-05-14 07:17:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: fbcb5c5f4d6b86dd390c2ec064fd0426 SHA-1: 0349e40c9bdfab38f2f0a10804c69a1133bd3213 SHA-256: f3a6d859bad71d7882f5d249f13446e056e405385dd10f3539374154cd6076c7
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 https://netcdn.xyz/app/406889139/coin-master-hack-spins-app-game-hack PDF link annotation
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/all-coin-master-spin-link-and-free-download_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-spins_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-robux-script_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-golden-cards-hack_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/real-coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/lots-of-robux_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-rewards-site_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-account-hacker-tool_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/orewards-com-free-robux_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_off00004bcf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BCF 28792 bytes
SHA-256: 73349ada612a570fa8554abc3f659cb118d3db29c4ca38b84c7ee1f742d338de
font_01_sfnt_off00008deb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DEB 17892 bytes
SHA-256: 116ba2d485dba3cc3c3f0b67c538e954af0badc3125826b285df3e1af5dac94f

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