Malicious PDF — malware analysis report

Static analysis result for SHA-256 4966080e900188b1…

MALICIOUS

PDF

44.2 KB Created: 2021-05-18 00:13:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 192a8afd0cf03c0f078677b236426ea0 SHA-1: 1c5ea8431a40519615f77feb073e32816d6ade64 SHA-256: 4966080e900188b1a45ab39ba0f2c18abf93279506fa816a2822038e7161da52
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/free-daily-spins-coin-master-2021-game-hack PDF link annotation
    • http://agrupamentoescolas-alfredo-da-silva.com/images/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/earn-free-robux-today_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/coin-master-connection-lost-hack_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/coin-master-free-spin-trick_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/coin-master-exchange-40-free-spins_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/minecraft-free-download_GM479516143.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/free-spins-coinmaster_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/how-to-download-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/free-robux-games_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/how-to-hack-coin-master-spin-in-hindi_GM406889139.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/roblox-pics_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/show-me-how-to-get-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_off00004f32.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F32 25212 bytes
SHA-256: 5c1dd0b9064e91d8e5a81ed1e26ffe2a6dc6ede068912855fd55d8b8c8039c27
font_01_sfnt_off0000894d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x894D 18708 bytes
SHA-256: c65851a3c2ccf8ba249fbb480ab00bab2dc65c52c70fe6f18183c59a9b34b022

Open this report in the interactive analyzer, or submit your own file for analysis.