PDF static analysis report

Static analysis result for SHA-256 533e681631a526d7…

SUSPICIOUS

PDF

45.1 KB Created: 2021-06-09 16:42:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 39ff479bb8570e9e9fc3401bbbe22281 SHA-1: 76f51a4cf0a568c3098436d3e9208763faf2fe80 SHA-256: 533e681631a526d71551803af9c26572a9133911b4821fa083d9ce2d5f3b054b
42 Risk Score

Malware Insights

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

The PDF contains an external URI pointing to a URL that promises free Robux, indicating a lure for potentially malicious content. The ML classifier also flagged this PDF as malicious. The document body and extracted URLs suggest a social engineering attempt to trick users into downloading a file, likely a game cheat or hack, which could be a dropper for further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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/free-robux-hck-game-hack PDF link annotation
    • http://vedrachemicals.ro/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/cheat-roblox-ios_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/coin-master-spin-pattern_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/coin-master-free-spins-link-download-hack_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/free-spins-coin-master-apple_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/coin-master-apk-mod_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • http://vedrachemicals.ro/images/coin-master-fan_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/https-wwwrobloxcom-catalog-keyword-freecategory-1direction-2_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/free-robux-by-imaddi_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/roblox-free-item-codes_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/cheat-strucid-roblox_GM431946152.pdfIn PDF document text
    • https://Buy.HoaxMC.comIn 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_off00004ec0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EC0 28784 bytes
SHA-256: eff64b53887df689d634bcc0258b18b418545b883df9c88394b2f29090515bde
font_01_sfnt_off00008dfd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DFD 18184 bytes
SHA-256: 1f2d2bae6fcce49778b48c5fa878906885b5bb4808a31e90e670052b5711c4a5