Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a411cca459246fd…

MALICIOUS

PDF

240.4 KB Created: 2021-04-04 22:40:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e2921dc8162cba214a410e030bc8d8f0 SHA-1: 1f18f2a95b71b95758e01a873d41968824802d88 SHA-256: 6a411cca459246fdecdcb05dca7eb8e72e14cf490a4664e24ddf75f0e13310e3
102 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs and a heuristic firing for an external URI, all pointing towards a lure related to game hacks, specifically Roblox. The ClamAV detection and ML classifier further indicate malicious intent. While no scripts were directly extracted, the presence of embedded URLs suggests the document is designed to redirect users to malicious sites, likely to download further payloads or engage in phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5773

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/btools-hack-roblox-prison-life
    • http://cleanteclogistics.com/images/roblox-giveawayxzy-online-hack.pdf
    • http://energotestcontrol.ru/images/roblox-hack-pastebin-all-games.pdf
    • http://riccardodurso.it/images/roblox-health-cheat-engine.pdf
    • https://reggieslockandkey.com/images/roblox-free-skin-robuxed-no-robux.pdf
    • https://wandpiraten.de/images/can-we-get-free-robux-in-roblox.pdf
    • https://www.inova-cuisine.fr/images/free-player-points-roblox.pdf
    • http://ottawavalleykitchens.ca/images/scarf-for-free-roblox.pdf
    • http://optsuvenir.by/images/roblox-hack-script-penis.pdf
    • https://www.dachytarasowe.eu/images/get-roblox-r-free-on-android.pdf
    • https://inspiration-modellbau.de/images/claim-gg-earn-free-robux-for-roblox.pdf
    • http://ghegamethu.vn/images/how-to-hack-roblox-2021.pdf
    • http://bb-im2.com/images/roblox-treasure-quest-cheat.pdf
    • http://agroturismoarkaia.com/images/free-robux-cheat-2021.pdf
    • http://moralcenter.or.th/images/roblox-robux-hack-no-password.pdf
    • http://evro-okna.net/images/how-to-get-free-robux-2021-easy-and-fast.pdf
    • https://icefuture.ru/images/quick-robux-hacks.pdf
    • https://www.dierenartsberghman.be/images/free-item-roblox-hack.pdf
    • http://forsazh-51.ru/images/how-to-get-free-faces-on-roblox-ipad.pdf
    • http://seytarehco.com/images/lua-script-hack-dinosaur-simulator-roblox.pdf
    • http://eventgo.fr/images/how-to-hack-robux-with-cheat-engine.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036b86.bin
7be1f4b96eae86045d7ba253cf622817e7d248daabb21bdf97a7bacdd8a39fdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36B86 21716 bytes
font_01_sfnt_off00039b1d.bin
9f622184fc982437c5281e0212c682db327ea25a496d81f28cba5d3128e66683		 pdf-font-stream PDF embedded font (sfnt) at offset 0x39B1D 18448 bytes

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