Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ba6481ce66094ed…

MALICIOUS

PDF

35.5 KB Created: 2021-07-05 15:18:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9b95bc477f7b1493050346faf7106252 SHA-1: e35711d2d26793ab111d639e5b1bf762a7028901 SHA-256: 0ba6481ce66094ed62ee0a407823ece7a63b7b11431e5d17f4f847f548acc288
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document employs a lure of free game hacks and robux to entice users. It contains embedded links, including one to a known malicious redirector at http://netcdn.tw/app/431946152/lol-robloxcant-patch-the-free-robux-game-hack. The presence of a 'download button' heuristic further suggests a malicious workflow aimed at tricking users into downloading potentially harmful content. No scripts were extracted, but the document's structure and embedded URLs indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/431946152/lol-robloxcant-patch-the-free-robux-game-hack In PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-gift-card-code-generator-roblox_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/robux-earning-sites_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-unban-hack_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-hack-on-dragon-ball-z-rage-roblox_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-its-free_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/trustworthy-free-roblox-cheat_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/comment-hack-roblox-en-2021_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-daily-bonus_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/300-free-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-minecraft-realms-to-join_GM479516143.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/haktutsin-2021-09-coinmaster50freespinandcoinlinkhtml-m-1_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-hack-teleport-in-roblox_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-hack-on-robux_GM431946152.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_off000031f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31F6 23100 bytes
SHA-256: b0f6199d7913d533802edaa94d92a28ae5785fe05250262de09a79182b05b362
font_01_sfnt_off00006626.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6626 19028 bytes
SHA-256: 9e45c4901cf5c5739fd3bd162e0b8f3895fe9a665d5128c0eb78c712e80068d0

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