Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6586e18956b9f54…

MALICIOUS

PDF

34.8 KB Created: 2021-07-01 15:58:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: f17f7a27a795ad386e09ad5959e65d3a SHA-1: 8917efdbc74f680c67e096d33c0d1a6606b5d695 SHA-256: b6586e18956b9f54d0720297958b6283d3f63bdc7b4a2cee9482d88748af019b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are disguised as links to game-related content such as 'free generators' and 'game hacks'. The primary URL, http://netcdn.co/app/431946152/template-roblox-shirt-free-shipping-game-hack, is identified as a redirector. This suggests the document's purpose is to trick users into visiting malicious sites, likely for phishing or malware distribution.

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/template-roblox-shirt-free-shipping-game-hack PDF link annotation
    • http://smpn1sda.sch.id/slims/repository/games-to-hack-on-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/how-to-get-free-shields-on-coin-master_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-roblox-printables_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/how-to-get-free-robux-joshy_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/how-to-get-free-clothing-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/beautiful-roblox-shirt-template-download-free_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-jailbreak-how-to-get-free-lamborgini_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-builders-club-roblox-trial_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/hack-robux-2021-engine_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/aroboy-10-hacker-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/cheat-terminal-railway-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/how-to-hack-any-account-password-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-spins-and-coins-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/get-free-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/medieval-hood-of-mystery-in-roblox-free_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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_off00003078.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3078 22288 bytes
SHA-256: e6d3cf8b37013cc688ee5158d6132542d94d343b96fd9c2144f5cd842237b26b
font_01_sfnt_off000061f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61F0 19476 bytes
SHA-256: 52b87590e431007a10de6a4ac3dff87cd677f7a51106c8aad9ac50415c7ca823

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