Malicious PDF — malware analysis report

Static analysis result for SHA-256 e270ccc85561c4e7…

MALICIOUS

PDF

35.3 KB Created: 2021-06-30 21:35:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 681f709045f2f4dce6f8473f02049773 SHA-1: 593780a13361d5283a9b542aae6375009671abd4 SHA-256: e270ccc85561c4e793f3404849902b83efd69a353bc999e705222e7f8cfbf1ff
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks, specifically for Roblox, directing users to a suspicious URL. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to redirect users to potentially malicious content or initiate downloads.

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.co/app/431946152/how-to-get-roblox-money-game-hack PDF link annotation
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/androeed-ru-minecraft_GM479516143.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-to-get-java-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/113-hacked-client_GM479516143.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-apk-mod-hack-download_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-to-use-redstone_GM479516143.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-free-items_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-hack-apk-july-2021_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-hacks-to-get-spins_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/free-robux-accounts_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • https://www.indovisionjogja.web.id/ckfinder/userfiles/files/coin-master-spin-free_GM406889139.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_off0000320f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x320F 22760 bytes
SHA-256: bce48e2ab7febc6299bdf16aa9af00d08394e38d11f649452364b903ffdfb557
font_01_sfnt_off000064bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64BC 19128 bytes
SHA-256: 397d21c569f30b381af2d511aecbb934857227f7f4aa1123c4ac349e449f2a3b

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