Malicious PDF — malware analysis report

Static analysis result for SHA-256 4454d590d62d5d99…

MALICIOUS

PDF

33.8 KB Created: 2021-07-08 23:22:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 091074e4cf3d0c7be1c7e72bcaf11de1 SHA-1: e8388079e59507b8b8c5bf7a05ecf99b8bc7886b SHA-256: 4454d590d62d5d997ff843382195ebc8e1642f89f3f6b1792bd804d903ce51d3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links, including one that redirects to known malicious infrastructure. The document body and heuristics indicate a lure for game hacks and generators, specifically mentioning 'Minecraft Hack 2021'. This suggests the primary goal is to trick users into visiting a malicious site, likely to download further malware or engage in other malicious activities.

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/479516143/minecraft-hack-2021-game-hack In PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/all-free-in-catalog-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/hpyerinjector-roblox-hack-injector_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/pubg-uc-2021_GM1330123889.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/is-minecraft-java-free_GM479516143.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/how-to-hack-the-powerplant-inside-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/coin-master-hack-version-download_GM406889139.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/coin-master-link_GM406889139.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/roblox-why-cant-audio-be-free_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/coin-spin-link_GM406889139.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/hack-de-roblox-robux-para-pc_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/how-to-get-more-robux_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/free-robux-no-offers_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_off00003155.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3155 21764 bytes
SHA-256: eff7024aa570c441b7b48b8ec511504d31e3c4fd6102faff3ee472f7562bae49
font_01_sfnt_off000060ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60CE 18428 bytes
SHA-256: 65ef7673dda910d5c1206c2dd7dddcbba7cd96e5a7782ef6ed0e94e119ec4adc

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