Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e4d2cf6104a13ff…

MALICIOUS

PDF

35.1 KB Created: 2021-07-05 23:12:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: badc1753fa36392bfcf07b97956538b3 SHA-1: c518b0eb76f5a1c68eda5646c8bed1a829c6635b SHA-256: 6e4d2cf6104a13ff431d8f2ecde03a13f416bb1e0cfa4e477a2f3563b2752965
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

This PDF document contains a high-confidence heuristic indicating it links to a 'free generator / game hack' lure. The document body and embedded URLs reinforce this, pointing to a URL associated with 'free robux script game hack'. The primary intent appears to be tricking users into visiting a malicious website via the embedded link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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 http://netcdn.tw/app/431946152/free-robux-script-game-hack PDF link annotation
    • https://slims.bakrie.ac.id/textbook/repository/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/roblox-wall-hack-viper-venom_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/free-shirt-roblox-avatar_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/free-mods-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/free-robux-no-email_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/guuddinfo-roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/roblox-hack-no-human-verification-no-survey-no-download-2021_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/hack-i-roblox-2021_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/how-to-get-offsale-stuff-on-roblox-free_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/quiz-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/how-to-have-free-robux-in-a-web_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/roblox-hack-site_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/moonactive-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/how-to-get-your-hacked-roblox-account-back-2021_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/to-get-free-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
stream_002_off00003193.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3193 22584 bytes
SHA-256: c0be21f2b60a27dc46f8eec83dadcfd6f255163964fc43e36011e7dd726a38f8
font_01_sfnt_off0000640a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x640A 19116 bytes
SHA-256: b7ec675b0859f84f9d3687bec040beecaec8d80b831038dc5af6dc69bcb309d5

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