Malicious PDF — malware analysis report

Static analysis result for SHA-256 327117d3658e1525…

MALICIOUS

PDF

34.7 KB Created: 2021-07-01 06:27:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: fe943d0f72683fba82e89100368ef696 SHA-1: 308693049d37cb54f748f50a8fb5af1947ef1e7d SHA-256: 327117d3658e1525c2bc60b91b552b55eeb2be134f873cd27d8e2003148ef54f
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/how-to-get-free-robux-easy-2021-game-hack PDF link annotation
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/minecraft-launcher-download-free_GM479516143.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/free-minecraft-windows-10-account_GM479516143.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/free-coin-master-cards-link_GM406889139.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/coin-master-free-account_GM406889139.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/free-robux-game-no-password_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/how-to-get-free-tiktok-fans_GM835599320.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/coinmaster-free-spins-link_GM406889139.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/coin-master-today_GM406889139.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/wurst-download_GM479516143.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/how-to-change-roblox-name-for-free_GM431946152.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://e-learning.mapuicijantung.sch.id/__statics/gudangsoal/files/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000321c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x321C 21416 bytes
SHA-256: e6f7481a434572baf501f572f5677a7d0a5c5903b2ccc45ee75fa3f08b061da4
font_01_sfnt_off000060d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60D1 19568 bytes
SHA-256: 6047aacc591c706ba05485d06cfe5ae263460dd3f24b02a1ffd0afe45eaea607

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