PDF static analysis report

Static analysis result for SHA-256 4a9e083f9547b846…

SUSPICIOUS

PDF

49.2 KB Created: 2021-06-07 17:03:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 67ed633654700a0f12afac986b2d8eeb SHA-1: 0866739d983a5da9f37ebcc9bed66c63ab0e5ea0 SHA-256: 4a9e083f9547b8465229478f2630ac56d10b1512b675b86000a3d689714ea095
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a prominent external URI pointing to resources offering game cheats and currency, suggesting a lure for users to download potentially malicious files. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of embedded links and the nature of the lures indicate an attempt to trick users into executing further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 3

  • 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 https://netcdn.tw/app/431946152/hack-para-cs-go-roblox-game-hack PDF link annotation
    • https://www.armera.co.uk/uploads/files/files/free-robux-master_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/robux-generators-that-actually-work_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/roblox-ban_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/coin-master-free-spins-deutsch-download-ios-link_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/androeed-ru-minecraft_GM479516143.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/coinmaster-spin-ml-free_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/free-robux-games_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/roblox-money-hack_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/cmaster-club-coin-master-hack-tool_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/monttechscom-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/youtube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/coin-master-free-box_GM406889139.pdfIn PDF document text
    • https://www.armera.co.uk/uploads/files/files/give-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005270.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5270 27552 bytes
SHA-256: 27e15b2ef5fc66975a35ee9a63ad175e48c0b3df118821c1d76f830fce49b00b
font_01_sfnt_off000090ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90EE 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off00009d96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D96 18336 bytes
SHA-256: ca133f054ca552064e269d2fd169fd82542647e0d394ae77ab7b6ee6bf1b6e3b