PDF static analysis report

Static analysis result for SHA-256 877e30a817ff1807…

SUSPICIOUS

PDF

36.8 KB Created: 2021-06-24 00:41:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 7177f07922fb0bb81e0eb9d89dfd6084 SHA-1: efdc91c85cff0ca1b3b4bc2a31a4a476ec9bc861 SHA-256: 877e30a817ff18075dfed34b3f1e9e97b75cd7a3a03106651304aa91f7cfc6ef
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that promote a "Coin Master Hack Without Verification", suggesting a social engineering lure to download potentially malicious software. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports this assessment. Although no scripts were explicitly extracted, the document's structure and content indicate an attempt to trick users into downloading an application from the provided URL.

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.co/app/406889139/coin-master-hack-without-verification-game-hack PDF link annotation
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-by-joedaddy_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/free-roblox-gift-card-codes-2021-unused_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/free-tickets-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/coin-master-connection-lost_GM406889139.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/free-robux-group_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/roblox-lovenet_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/free-shirt-templates-roblox_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/download-roblox-outfits-for-free_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/hack-my-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/roblox-hack-android-download_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/roblox-apocalypse-rising-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/free-roblox-exploits-mega_GM431946152.pdfIn PDF document text
    • https://www.smkpgri2bdg.sch.id/new/public/ckfinder/userfiles/files/robuxy-com-free-robux_GM431946152.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_002_off0000380e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x380E 23184 bytes
SHA-256: 5ada1651c9ae9fba5c0d147eeabb24313c0e8acb72215424b94a3a11e0ab1f9f
font_01_sfnt_off00006c2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C2B 18640 bytes
SHA-256: e70c731676407bb7de6fff885d091169cd44aed03cdfcdb15904209bbd23907c