Malicious PDF — malware analysis report

Static analysis result for SHA-256 962ea70af5e11384…

MALICIOUS

PDF

32.5 KB Created: 2021-07-19 02:02:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: b8e6afd531c98f772cc25bb332a91d65 SHA-1: 9a7c0701df83ac3dde61cd9a45ff5b92b1595760 SHA-256: 962ea70af5e11384ca6895815d1472146651c97209153aa94547281d2a36118e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to websites offering 'free generators' or 'hacks' for popular games. These links are likely intended to lead users to malicious sites that could host further malware or phishing content. The ML classifier also flagged this PDF as malicious, increasing confidence in its malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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/479516143/hacker-minecraft-song-game-hack PDF link annotation
    • http://piadaandco.it/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/free-online-minecraft-server_GM479516143.pdfIn PDF document text
    • http://piadaandco.it/images/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/free-tiktok-followers-without-verification_GM835599320.pdfIn PDF document text
    • http://piadaandco.it/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/roblox-free-robux_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_off00002afa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AFA 22696 bytes
SHA-256: e9a483c5774331edb2400ddf908fb43c0bf8cf85c27f54b2ed9f4f8ccdcafd8a
font_01_sfnt_off00005da0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DA0 18168 bytes
SHA-256: 37e3c409e679a213a10e0592b8ff177cf348fa9834d19b03b17241e7ed0c948b

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