Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed0acc5a9eadae8a…

MALICIOUS

PDF

46.0 KB Created: 2021-05-18 06:06:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: a3db4fb08099f1c096bdf4a033039615 SHA-1: fb5f7b42c78d65c1c50ba1986f415d4d62eafe8e SHA-256: ed0acc5a9eadae8a3fbda34534e8d915595641bc051fece3053e8bced5781bd8
122 Risk Score

Malware Insights

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

The PDF file contains a prominent link disguised as a game hack download, which is a common lure for malicious content. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' and the embedded URL strongly suggest a social engineering attempt to trick users into visiting a potentially malicious site. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document may also attempt to trick users into executing commands, further increasing the risk.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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 https://netcdn.xyz/app/479516143/download-minecraft-bedrock-game-hack PDF link annotation
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/how-to-make-clothes-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/minecraft-hacks-xbox-one_GM479516143.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-coin-master-spins-blogger_GM406889139.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/coin-master-email-rewards_GM406889139.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/coin-master-free-spins-no-generator_GM406889139.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/robux-free-2021_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
stream_003_off00004eee.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EEE 29032 bytes
SHA-256: 5f12b5e76ee9647a3b3cb4844f51976e7b701d8faf7b30908b9eb0b9e8071ce0
font_01_sfnt_off000090c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90C2 18676 bytes
SHA-256: 7f86fed3984d6e1feedcbbb61174a74a8b6ed0af1ebcb464883137ac5d5df4fe

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