PDF static analysis report

Static analysis result for SHA-256 54289382c9ec61a6…

SUSPICIOUS

PDF

48.8 KB Created: 2021-06-03 06:26:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d334604dfbb6608518be26ea163461db SHA-1: 4eafd3193bf8d031629f7463febc73494616680f SHA-256: 54289382c9ec61a68aaf6bc973a40652c9bfbf8f07ba77851720705cd886cadb
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that strongly suggest a lure for free Robux or game rewards, aiming to trick users into downloading further content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the document's content indicate a phishing or malware distribution attempt.

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.online/app/431946152/free-robux-generator-without-verification-game-hack PDF link annotation
    • https://www.knjizara-harfa.rs/files/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/moon-active-games_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/coin-master-reward-link_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/free-spins-coin-master-generator_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/robux-gratis_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/roblox-accounts-for-sale-free_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/free-spin-coin_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/free-games-like-coin-master_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/7-year-old-roblox_GM431946152.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/free-coins-on-coin-master-without-verification_GM406889139.pdfIn PDF document text
    • https://www.knjizara-harfa.rs/files/coin-master-real-free-spins_GM406889139.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
stream_004_off00005409.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5409 25316 bytes
SHA-256: c16b04a8b48b9feedfe69b0ad25f225ad39633d8ab382e06f6aad68a8b99d833
font_01_sfnt_off00008f03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F03 3120 bytes
SHA-256: 49734f51977507cba6bc8d3ad0cee0363aa119856db094427deb9cf565bb7bca
font_02_sfnt_off00009a17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A17 18964 bytes
SHA-256: 28b129fa50d9ed943d388e6dee4b9579dbddb2c3d46c54f90e146500d20faa97