Malicious PDF — malware analysis report

Static analysis result for SHA-256 4695101679baa8ed…

MALICIOUS

PDF

32.8 KB Created: 2021-07-02 05:00:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 633892ccc3f5e7b5b07605443ab6a06b SHA-1: a3530afa9eafcd1e53b072b5c303481ab95e32b9 SHA-256: 4695101679baa8edae02619334eff8a1d2ce7fe8b1518f0a10cc690f7a9d792b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and text related to 'free Robux' and game hacks, indicating a lure to a malicious website. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' confirms this, and the ML classifier strongly suggests maliciousness. The embedded URLs likely lead to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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.co/app/431946152/free-robux-august-2021-game-hack PDF link annotation
    • http://www.pspmrsmkklawang.com/opac/repository/mobile-roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/cheat-roblox-no-exploit_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/coin-master-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/how-to-get-free-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/roblox-redvalk-free-code_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/free-lagless-roblox-recorder_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/rc7-roblox-download-free-mac_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/roblox-free-stuff-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/how-to-get-unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/hack-para-cbro-roblox_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/roblox-hack-game-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/hacks-in-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkklawang.com/opac/repository/roblox-executor-download-virus-free-download_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_off00002b27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B27 21584 bytes
SHA-256: 666927f85969ad3484503d4c33ae8141a9396882ba5acafadd50a5f2d0c7b9b7
font_01_sfnt_off00005a9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A9F 19224 bytes
SHA-256: c17832a232bfca8242c63951d705bf66ef2103e933dcf18787c1c05853bc80e2

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