Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe05024d926f5294…

MALICIOUS

PDF

35.0 KB Created: 2021-07-03 13:31:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 7a8423f72fd97e5cbf36a3211dc337f5 SHA-1: 93ae2fa36721aea4c93f68e6b545bf3f43a85576 SHA-256: fe05024d926f5294801a66cf2efce02e26e8551f4c47987e3fffff5a77763954
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.tw/app/431946152/free-roblox-card-game-hack PDF link annotation
    • https://loba.com.vn/public/upload/files/tryrbx-site-free-robux_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/download-hack-roblox-jailbreak-money_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/roblox-mod-menu-hack-download_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/cheat-engine-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/minecraft-free-play-now_GM479516143.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/easy-robux-today-com_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/win-free-robux-robux-robux-free_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/coin-master-sound-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/roblox-stamper-tool-hack_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/sex-cheat-codes-roblox-sound-id_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/roblox-the-rake-admin-hacks_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/free-robux-really-easy_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/como-hackear-perfiles-de-roblox_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/free-robux-shirt_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/delitive-mod-cheat-codes-roblox_GM431946152.pdfIn PDF document text
    • https://loba.com.vn/public/upload/files/free-robux-com-2021_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
font_00_sfnt_off000030a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30A3 23028 bytes
SHA-256: 466f80bdaf892ff176286b1b1343385fc0e5116a929f2a2c02a71123716a6214
font_01_sfnt_off0000647f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x647F 18824 bytes
SHA-256: 43c37c5681e12f98f0ff91a02fcc5c5f43ff7a205fa731b1220fcdc88032b5a3

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