PDF static analysis report

Static analysis result for SHA-256 7c74914740fa76cb…

SUSPICIOUS

PDF

42.6 KB Created: 2021-04-25 12:22:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: e67dc9e911250d2dc6a616bb3d3f8169 SHA-1: 011c75f414fee360e5bf0aee5024e2480ad078f0 SHA-256: 7c74914740fa76cb2827b4590f370a63d0735f20ac61c5c531717fec16fc2d70
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a 'Robux Hack Generator' and includes an external URI pointing to a download page. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to trick users into downloading and executing a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/robux-hack-generator-download-on-android-game-hack PDF link annotation
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-get-free-hair-in-roblox-2021.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-robux-just-email-verification-and-done.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-assassin-free-knife-codes.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-robux-codes-2021-march.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/robloxgiveaways-top-roblox-hack.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-code-on-how-to-get-clothes-for-free.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/hacks-for-tower-battles-roblox.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/robux-pastebin-hack-no-waiting.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-robux-no-robot-verification.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/hacker-wallpaper-roblox.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
stream_003_off00004168.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4168 28848 bytes
SHA-256: bec9ca673fc7f82fb954ead60a11eb4509d2ae4c53b699cf6ff23c512a062c78
font_01_sfnt_off000082a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82A0 19052 bytes
SHA-256: d5121aea190889a85bee27f810293ff6a3cb6848173ff790200dd82f533fe741

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