Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2fd2823c836851a…

MALICIOUS

PDF

241.2 KB Created: 2021-04-05 05:35:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 4fa3465bdd00c408995ec6e6eb5ccfbf SHA-1: 25813e5d2ca4b3d293df77aac6e788ab0f60c8d7 SHA-256: a2fd2823c836851a9f996269cda2d5b575fde32d3d07c78a0909df34ef41f0de
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature 'Pdf.Phishing.Roblox062100-9873116-0', and an ML classifier also flagged it. The document body, though heavily obfuscated, contains references to hacking Roblox, and an embedded URI points to a website promising 'i-want-to-hack-roblox-without-downloading-any-apps'. This strongly suggests a phishing or malware distribution lure.

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/i-want-to-hack-roblox-without-downloading-any-apps PDF link annotation
    • http://www.art-concept.gr/images/guava-juice-free-robux-promo-code.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/cheat-roblox-aimbot.pdfIn PDF document text
    • https://osk-sibir.ru/images/cheat-engine-roblox-2021.pdfIn PDF document text
    • http://dshikr.ru/images/how-to-have-free-robux-2021-easy.pdfIn PDF document text
    • http://autenticohostalsalou.com/images/can-you-make-a-shirt-for-free-on-roblox.pdfIn PDF document text
    • http://internetdeputy.com/images/hack-para-dragon-ball-rage-roblox-2021-noviembre.pdfIn PDF document text
    • http://ff-obertraun.at/images/how-to-hack-at-roblox.pdfIn PDF document text
    • http://www.boic.nl/images/hack-script-roblox-booga-booga.pdfIn PDF document text
    • http://rushxpress.de/images/how-to-get-free-catalog-items-on-roblox-vortexx.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/horizon-in-roblox-money-hack-may-2021.pdfIn PDF document text
    • https://www.arquetopia.org/images/free-robux-and-tix-2021.pdfIn PDF document text
    • https://gafaseo.com/images/roblox-money-cheat-codes-rocitizens.pdfIn PDF document text
    • http://biccairo.com/images/best-roblox-exploits-2021-free.pdfIn PDF document text
    • http://ns1.radiofacil.net/images/names-of-roblox-hack-scripts.pdfIn PDF document text
    • https://wandersuechtig.de/images/how-to-hack-any-roblox-account-agust-2021.pdfIn PDF document text
    • http://onlinemusicsolutions.com.au/images/roblox-free-roblox-generator.pdfIn PDF document text
    • http://www.inservis.cl/images/exploit-box-free-roblox.pdfIn PDF document text
    • https://icefuture.ru/images/easy-and-quick-free-robux.pdfIn PDF document text
    • http://caraless.com/images/my-account-has-been-hacked-on-roblox.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/como-ser-un-hacker-profesional-en-roblox.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_off00036b63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36B63 21624 bytes
SHA-256: 4605018589de001d5a6fd6f9e3bafe7c51aacc80610b2b8eae6ea9f694220359
font_01_sfnt_off00039ac8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39AC8 19500 bytes
SHA-256: 05b85fb0eaedeb012a13cdbf3224ee224d4791e63fa648368ba61d4ee036dd10

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