Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0f5f350d3f26e31…

MALICIOUS

PDF

244.8 KB Created: 2021-04-05 00:47:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c03295d380910f9c1db7db4939a9de57 SHA-1: 6abad14dded8325387f678b79f4bad42c5a8fd2c SHA-256: a0f5f350d3f26e3134945174be73653c172fb9bf2518a82aa9251bc1ee7846e6
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains embedded links to external websites, one of which is explicitly named 'roblox-dominus-hack'. The ClamAV heuristic also flags it as 'Pdf.Phishing.Roblox062100-9873116-0'. While no scripts were extracted, the presence of external links and the phishing heuristic suggest a lure to a malicious site, likely for credential theft or malware distribution related to Roblox.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2693

Heuristics 4

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • 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://gaminggenerator.org/app/431946152/roblox-dominus-hack
    • http://www.apocalissedigesucristo.com/images/crop-tops-for-free-roblox.pdf
    • https://www.air-shop.cz/images/robux-hacktxt.pdf
    • https://sitam.co.in/images/free-private-server-links-for-lumbertycoon-2-roblox.pdf
    • http://cadcam.no/images/free-unlimited-roblox.pdf
    • http://grupodin.com.br/images/roblox-teleport-script-hack.pdf
    • http://yochin.org.tw/images/free-robux-promo-codes-august-2021.pdf
    • http://technologicalsc.com/images/free-roblox-outfits-boys.pdf
    • http://www.malonmalon.com.ar/images/make-your-own-character-in-roblox-for-free.pdf
    • https://shimony.net/images/free-online-games-to-play-now-roblox.pdf
    • https://www.acoustiguard.com/images/how-to-get-free-robux-on-android-without-human-verification.pdf
    • https://www.wadowice24.pl/images/hacks-for-roblox-for-craftwars.pdf
    • http://columbuscigar.com/images/how-do-you-get-free-robux-on-kindle-fire.pdf
    • https://laconce.com/images/free-robux-scam-sites.pdf
    • https://inspiration-modellbau.de/images/tamper-monkey-roblox-hack.pdf
    • http://iluvlocalplaces.com/images/free-admin-logo-roblox.pdf
    • http://intrasservices.com/images/hack-ghost-simulator-roblox.pdf
    • http://onlinemusicsolutions.com.au/images/try-this-online-roblox-hack.pdf
    • http://eventgo.fr/images/cheats-for-prison-life-roblox-2021.pdf
    • http://dennemaat.nl/images/roblox-bloxburg-house-builders-free.pdf
    • http://bit-sky.com/images/heroes-online-hack-2021-roblox.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000375d1.bin
7a9eccc87b3b951c1298a354d2108ff3c83cbe88e99888dec3c8d2b5083c1f71		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x375D1 24392 bytes
font_01_sfnt_off0003acc9.bin
9f8ab05470ad9419e72f527c5fb61d3814a7fc1957cd40f516d61b4419872585		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3ACC9 18312 bytes

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