PDF static analysis report

Static analysis result for SHA-256 4994b597f9e64ff3…

SUSPICIOUS

PDF

43.1 KB Created: 2021-05-13 21:38:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c83152958d48a1707f535eb457872e24 SHA-1: 1d4e018f7a4689733baf43693467d8a2e18c63ae SHA-256: 4994b597f9e64ff33d22a64f39ff952af000e32ca0c219e493bf421067053059
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URI pointing to a website that promises free Robux, a common lure for credential harvesting or malware distribution. The ML classifier strongly flagged this PDF as malicious, and the document body, though heavily obfuscated, contains similar URLs. No scripts were extracted, but the presence of external links and the ML detection suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/431946152/www-claim-gg-to-earn-free-robux-game-hack PDF link annotation
    • https://mountainholidaytreks.com/userfiles/files/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-robux-site_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/roblox-robux-generator_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-roblox-injector_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/easy-roblox-today_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/robux-download_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/do-you-get-windows-10-minecraft-for-free-with-java_GM479516143.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/hack-coin-master-apk-download_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-free-food-for-pet_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000048ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48EA 25124 bytes
SHA-256: 0190c17a5e57d5e2d26eb2367806c6c796c09d72ec9ccbff8929bb8a6bd96da5
font_01_sfnt_off000082cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82CD 19348 bytes
SHA-256: 6c8aa2bd696777b424cffe98c1c37b7aceb2d1b30a10c6ebb087e43f3f958d57

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