Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebab4b046bcdc070…

MALICIOUS

PDF

34.3 KB Created: 2021-07-06 08:57:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 9a48ccc2e566f1d119876b5e92df4dad SHA-1: e7f72f713cfdba7d2fb99e3be2d5caa3bc47212b SHA-256: ebab4b046bcdc070a8d3eca7cf717c7f3866b4b9405973124b9fe150da9d1a87
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

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.tw/app/406889139/appsmob-info-coin-master-hack-game-hack PDF link annotation
    • http://laboratorium.sman2metro.sch.id/repository/minecraft-free-demo_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/minecraft-server-hacks_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/www-roblox-robux_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/free-unlimited-coin-master-online-tool_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-hacks-no-surveys_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/roblox-free-vip-server_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/best-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/coin-master-cheat-engine-hack_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/juego-hackeado-de-coin-master_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/minecraft-bedrock-free-server-hosting_GM479516143.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/how-to-make-my-own-coin-master-cards-hack_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/master-free-spin-and-coin-links-html-m-1_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/coin-master-hack-apk-download-for-android_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id//repository/how-to-hack-coin-master-in-pc_GM406889139.pdfIn PDF document text
    • http://laboratorium.sman2metro.sch.id/repository/coin-master-hack-app-2021-download_GM406889139.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_off00002fbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FBF 22632 bytes
SHA-256: 75df6c0744f523f0ce5c4d5d196f8c41ecf4a7ccff1656e21d73fe9a3726da1c
font_01_sfnt_off00006259.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6259 18600 bytes
SHA-256: 03cf43ae761bcad2762b8c1d2697830638b1a277fa085c812edbc985dcb890b5

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