Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b4282192361ee40…

MALICIOUS

PDF

34.8 KB Created: 2021-06-20 09:19:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 3c5d26dc26c26877923ae44a2fe3ab62 SHA-1: aacb29defcbac3b872a5ec96b1e36d94cdaae415 SHA-256: 6b4282192361ee4081a0261319d761bee0914a092a1b45052ee5a30d8ef49057
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-skins-download-free-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/deleting-baseplate-roblox-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-download-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/como-hackear-roblox-movil_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/krnl-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-royalty-free-music_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/como-hackear-vehicle-simulator-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-spin-coin_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-generator-2021-no-download_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-mod-apk-hack_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master--hack_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-jailbreak-free-cash_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/is-minecraft-free-on-mac_GM479516143.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_off00003144.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3144 22016 bytes
SHA-256: 25ddd930625230b0648596fe4724b9cdc00713d3f6faa580589a751bef363a38
font_01_sfnt_off000061b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61B6 19444 bytes
SHA-256: a477abd7b451c6c96892dc9e77c5769e4574619f25effbde1b3c124bd3ae8f5c

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