Malicious PDF — malware analysis report

Static analysis result for SHA-256 a066df094df8eab4…

MALICIOUS

PDF

40.3 KB Created: 2021-04-23 15:32:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 28249b2e81e3ea97112e70125b041998 SHA-1: 9e4b0e9b120f1f52dad38b7ac1734253dd58d13d SHA-256: a066df094df8eab43b53a1c0301d325d896a944f46ce008389832cc51528eab5
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a lure related to game cheats, specifically for Roblox. The primary URL, https://netsecure.top/app/431946152/roblox-cheats-and-codes-for-pc-game-hack, is flagged as malicious and likely leads to a phishing or malware download site. The document's content and heuristics strongly suggest it is a phishing attempt designed to trick users into clicking malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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 https://netsecure.top/app/431946152/roblox-cheats-and-codes-for-pc-game-hack PDF link annotation
    • http://library.forda-mof.org/katalog/repository/roblox-robux-hack-reddit.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/roblox-hack-hack-de-robux-2021-android.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-free-robux-non-stop.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/rewards-robux-free.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/hack-roblox-game-jailbreak.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/earn-free-robux-online-no-survey.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-roblox-clothes-templates.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/rocash-give-yourself-robux-cheat.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/is-robux-free.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-speed-hack-in-jailbreak-roblox.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 2

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_off000042db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42DB 25232 bytes
SHA-256: 2d597d8149551ad49e31be66c95a48c3f6a639447bc3507fee442f13f6d8611f
font_01_sfnt_off00007a4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A4C 18776 bytes
SHA-256: 3691d15b7e4616cffbfa0f6e78af15517a807d9be1e8b156ac905a1a862e2689

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