Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc465fe7660e51d3…

MALICIOUS

PDF

32.4 KB Created: 2021-07-19 16:41:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8fb20bd4a5fd145f7b1c23b01238302c SHA-1: 5973e49f2c2bbb8c176ede1e032683c6c6a6f84a SHA-256: cc465fe7660e51d3d9f83c55eb79760d1a90c1de6012c474880a6774e3b3a8b6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure for free TikTok likes and game hacks, redirecting users to a malicious URL. The document body and heuristics indicate a phishing attempt designed to entice clicks on malicious links. No scripts were extracted, but the presence of embedded URLs and the 'game hack' lure strongly suggest a phishing or scamming campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/835599320/free-likes-on-tiktok-game-hack PDF link annotation
    • http://www.sapaengineering.kz/images/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/minecraft-free-version_GM479516143.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/tiktok-like-bot-free_GM835599320.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/free-spins-and-coins-on-coin-master_GM406889139.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_off000029bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29BD 23496 bytes
SHA-256: de32194519a5bce30fd7b64deb6e7306c72656676c2c5dca02c8dcd0d6d5ce7f
font_01_sfnt_off00005f28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F28 17456 bytes
SHA-256: 68a974c9aa3c870eecc965d525ccb957938ff5f02ba9183d05fa54c35671def6

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