PDF static analysis report

Static analysis result for SHA-256 af5dd18379592260…

SUSPICIOUS

PDF

41.2 KB Created: 2021-05-20 00:42:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 855bb999c60df11d3f831da4c86caf5a SHA-1: 5a907f4313d0dea72565e98fa06d7267a4cc5cf7 SHA-256: af5dd183795922605b8ac5ac2a8caea861389b24389fdd6fc18c09b2785bddd5
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a prominent external URI pointing to what appears to be a download site for game cheats or virtual currency. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it being used to distribute malware. The presence of numerous links to "free robux" or "game hacks" suggests a social engineering lure to trick users into downloading a malicious payload.

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/1330123889/pubg-uc-bc-.com-game-hack PDF link annotation
    • https://i-photo7.com/image/data/files/windows-10-minecraft-free-with-java_GM479516143.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/instantrobux_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/minecraft-client-download_GM479516143.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/free-robux-images_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/free-spins-coin-master-ios-2021_GM406889139.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/pokemon-go-free-stardust_GM1094591345.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/coin-master-spins_GM406889139.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/download-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://i-photo7.com/image/data/files/coin-master-reward-link-2021_GM406889139.pdfIn 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
stream_003_off000043ab.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x43AB 25300 bytes
SHA-256: 8274df473272af5f8aabdf85a332970119e76c13f9274373005ed77d1f8daf40
font_01_sfnt_off00007e44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E44 18364 bytes
SHA-256: 2d8e38ad5babb2a12b0514a3ff3661e3bfc24eade7ebaaf8c88d48d8b9a7ba0b