Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab73adfbe296d879…

MALICIOUS

PDF

31.5 KB Created: 2021-07-20 02:10:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 236db9040d3b9c709c4f2803f9b24f8c SHA-1: a8e4eeaf5899c9f5a5c4a21de351382929513adb SHA-256: ab73adfbe296d879bd0f16ebefd894ebb7f594a63e543cebef923b58bafae0b0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded links that redirect to websites offering game hacks and generators, such as 'minecraft-login-free-game-hack'. The document's structure and content suggest a phishing or social engineering attempt to lure users to malicious sites. No scripts were extracted, but the presence of numerous suspicious URLs indicates a high likelihood of malware distribution or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9893

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/minecraft-login-free-game-hack PDF link annotation
    • http://5346000.com/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://5346000.com/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://5346000.com/images/minecraft-free-install_GM479516143.pdfIn PDF document text
    • http://5346000.com/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://5346000.com/images/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://5346000.com/images/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://5346000.com/images/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://5346000.com/images/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • http://5346000.com/images/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
    • http://5346000.com/images/how-to-get-minecraft-for-free-ios_GM479516143.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_off00002982.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2982 21900 bytes
SHA-256: f65eb56ca3470666473657d3daa4d024702259d9e253a1fd143d75ab90cb46e4
font_01_sfnt_off000059d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59D4 17996 bytes
SHA-256: a07e2ad8fd79bb30e6fc1ebe6b3b8a9b32aa8410594bf0891ac0147b7718a067

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