Malicious PDF — malware analysis report

Static analysis result for SHA-256 0db29e666fbd43bc…

MALICIOUS

PDF

46.0 KB Created: 2021-06-11 04:59:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 34a3eff3bc446766351b16476d8c1069 SHA-1: c66f84d2aed09ba3477b7cd14af0c52f7eaca23c SHA-256: 0db29e666fbd43bc21ebad9f1c98b3eeab0fa32ab6317ecece9c79e0d2ee2756
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to a known malicious redirector infrastructure, disguised as generators or hacks for popular games like Roblox. The document body and embedded URLs strongly suggest a social engineering lure to trick users into clicking malicious links, likely leading to further malware downloads or phishing pages. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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 https://netcdn.tw/app/431946152/free-roblox-account-premium-generator-game-hack In PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/roblox-hack-free-robux-pc_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/free-level-7-roblox-exploit_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/minecraft-java-free-download_GM479516143.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/free-livr-emerald-giveaways-roblox-direct_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/how-to-reach-hacks-in-sf-roblox_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/impact-hack-roblox-hp_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/roblox-god-simulator-hack-gui_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/robux-promocode-hack-2021-pastebin_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/free-robux-hack-using-inspect_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/free-robux-quiz_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/buy-free-items-roblox_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/auto-jump-roblox-cheat_GM431946152.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • http://mts.tapaksunan.sch.id/__statics/gudangsoal/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://direct-link.netIn 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
stream_004_off000053b8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x53B8 25604 bytes
SHA-256: e8494e370c911b9d20a1705eed4c33ce2e0ef5ff9521aa13ab09db0ff1d02493
font_01_sfnt_off00008f55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F55 18952 bytes
SHA-256: 0d503e1fccf1a6bc59d0bc3817b40e00885ca5b1df69829d78b0792ba2b89203

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