PDF static analysis report

Static analysis result for SHA-256 4c8788bd73397d35…

SUSPICIOUS

PDF

45.5 KB Created: 2021-05-16 18:01:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c309cd8db78d74ce5126ead6546822b4 SHA-1: 280a683f6d5643d9bf337feeaede58140af6b904 SHA-256: 4c8788bd73397d353038ecbf7ee819d194016d682794d7f02210beafaef1af2a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains external URIs and embedded URLs that lead to pages promising free Robux, indicating a social engineering lure. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of these lures and the ML detection suggest the document is designed to trick users into downloading further malicious content, likely through a JavaScript exploit.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

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/can-you-get-free-robux-on-roblox-game-hack PDF link annotation
    • http://agriconservizi.com/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-daily-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-robux-android_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/how-to-earn-free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-400-spin-link-hack_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/free-roblox-generator_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://agriconservizi.com/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/how-to-get-free-spins-on-coin-master-2021-links_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004826.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4826 26340 bytes
SHA-256: f4c37580ea9193ba504390ebb06a3083e50d8a4c44b14955adc54a727dbfa92d
font_01_sfnt_off00008422.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8422 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00008e31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E31 18580 bytes
SHA-256: 0d0c29456045ba8700eeeb9b5d08ef238a74b3c73615dbb1a220be23830403a6

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