Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6c272c48a4b232…

MALICIOUS

PDF

34.8 KB Created: 2021-06-18 07:20:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 95573b982c76a311a07e9fb7a8909062 SHA-1: 8a27525323c5b7b9271985158ccebb2e617d807c SHA-256: 2b6c272c48a4b2320ba84c58b2fcbbc3d3c21f4fe233d8dde873568240c44021
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a heuristic firing for a 'free generator / game hack' lure, indicating a social engineering attempt. The document body, though partially corrupted, contains references to Roblox and game hacks, reinforcing the lure. The presence of embedded URLs suggests the document is intended to redirect users to malicious sites, likely for malware distribution or credential harvesting.

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-hutt-cartel-tatooine-free-game-hack PDF link annotation
    • http://parsbaft.com/images/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-roblox-script-executor_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-ban_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/app-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/free-gamepasses-roblox-script_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/song-id-for-free-money-cardi-b-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-free-spins-a2z-help_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/pubg-uc-center_GM1330123889.pdfIn PDF document text
    • http://parsbaft.com/images/urbx-club-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/minecraft-mod-menu-apk_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/object-demonius-free-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-codes-2021_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_off000031e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31E9 22520 bytes
SHA-256: 4aaf30643086a6850c6cd5b0c92da6bd97463b436182f006184dc482e39ca8ff
font_01_sfnt_off000063ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63ED 18828 bytes
SHA-256: 68c808740637400b2897c33c851fbad1783caea37f9267a87005914e6013ec6a

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