Malicious PDF — malware analysis report

Static analysis result for SHA-256 458dcc40a025f143…

MALICIOUS

PDF

35.3 KB Created: 2021-06-19 13:34:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 1eb27e3f421221007b3369ea820bcb21 SHA-1: 1590ddf7463d5002e91281906eabd580f07f165f SHA-256: 458dcc40a025f143a1a4b444bb8dc725b8e19172e49af1aa0a2907aeb68abe61
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.co/app/431946152/roblox-free-gift-event-game-hack PDF link annotation
    • http://library.yamasi.ac.id//repository/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/hacks-for-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/boku-no-roblox-remastered-hack-script_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-robux-sign-in_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-minecraft-bedrock-server-hosting_GM479516143.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/free-coins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/earn-robux-online_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/coin-master-free-spins-no-survey_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/tiktok-free-7-day_GM835599320.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/free-private-server-roblox_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/coin-master-hack-online-generator_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/100-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/roblox-free-lvl-7-script-executor-2021-august-2021_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-robux-co_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/what-is-a-robux_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/coin-master-hack-tool_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/what-tiktok-free-folowers-without-downloading-any-apps_GM835599320.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/rich-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/how-to-get-free-gamepasses-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn 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_off00003266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3266 22708 bytes
SHA-256: ee0781debef8eed820ea201b967e01a9a45fdb5f117652dc172db4fbcda9439f
font_01_sfnt_off00006526.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6526 18988 bytes
SHA-256: 06677fcb20ea3c6de8d667777c8795157b4e37bd6aa7abb74fb269d5b51fec58

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