PDF static analysis report

Static analysis result for SHA-256 b1ad8d573c735a65…

SUSPICIOUS

PDF

34.2 KB Created: 2021-07-09 23:11:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1909b4ce25fd486d7e80f0e6ffa11cdc SHA-1: 0b85d72b8c317741d630cb866d408ae601acbe20 SHA-256: b1ad8d573c735a65fe219d2863df30929fd8088b3aa9841323854819e033f7c2
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs pointing to sites offering free games and in-game currency, which is a common lure for malware distribution. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the overall pattern suggests a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/479516143/minecraft-windows-free-game-hack PDF link annotation
    • https://jasabuatlabel.com/ckfinder/userfiles/files/minecraft-pe-apk-download-free-015-0_GM479516143.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/free-hair-extensions-roblox_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-official-website_GM406889139.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/robux-earning-sites_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-buy-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/robux-link_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-how-to-get-japan-sushi-card-free_GM406889139.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-get-the-skeleton-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-get-minecraft-for-free-2021_GM479516143.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-make-free-shirts-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/roblox-free-candy-van-exploit_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/coinmaster-fan-page_GM406889139.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/free-robux-codes-not-used_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-get-free-robux-without-playing-games_GM431946152.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://jasabuatlabel.com/ckfinder/userfiles/files/1-million-robux-for-free_GM431946152.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_off000030d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30D8 22268 bytes
SHA-256: d9677d27d02a31f34df8616e26f0d70d8e1e17066fbf4708fba25a97e7d1e89b
font_01_sfnt_off0000620c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x620C 18536 bytes
SHA-256: b4bed83de742f787c41c6ab2aa7bba014cf3bca35de08f281eda083b1c46b7b4

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