Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ab9d7b29417e652…

MALICIOUS

PDF

37.0 KB Created: 2021-07-05 03:58:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 24256ec5d486e85a76dd2babe0b87c01 SHA-1: 57a8b29d67471b6e7c0f3021cddf2ad185fa623f SHA-256: 9ab9d7b29417e652879a2505593b67c9d0928eff49e19b4c938c663a96ab1288
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a malicious redirector, that lead to "game hack" or "free spins" lures. The primary malicious link is http://netcdn.tw/app/406889139/coin-master-free-spins-link-deutsch-ios-game-hack, which is designed to trick users into visiting potentially harmful sites. The document body and embedded URLs suggest a social engineering tactic to drive traffic to scam or malware distribution pages.

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/406889139/coin-master-free-spins-link-deutsch-ios-game-hack In PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-a-free-face-on-roblox-mac_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-robux-obbies-that-work_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-make-stuff-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-cheats-for-money-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/earnrobux-gg-earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/www-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-tiktok-like_GM835599320.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/venom-cheats-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-hacked-prehacks_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-run-faster-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-donegon-quest-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-robux-fast-with-inspect-element-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-dantdm-hair-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-cheats-uhrzeit-ndern_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-robux-on-roblox-in-2021-pyckel_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/how-to-get-free-skins-in-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-online-hack_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_off000035aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35AA 24092 bytes
SHA-256: c211011416c66ae7736ba1e39ccd965c7b21012fb10db8328fe75fbeabcb6e82
font_01_sfnt_off00006cb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB5 18820 bytes
SHA-256: 0df7f73f5dc751554d445504aa4a2634324aac68e74bdfd62cfd74053bcb9575

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