PDF static analysis report

Static analysis result for SHA-256 1ce270f9bcc88fda…

SUSPICIOUS

PDF

47.1 KB Created: 2021-06-03 04:50:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 66251e6a55b53bbedfa22fb9cee571cd SHA-1: e9cca5459d06a2e326e659bd0467fe51e6a6b764 SHA-256: 1ce270f9bcc88fda2d0e2ddc0361f44583fffbfd78c58bacbd2beae99be1d2ad
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains an embedded URL pointing to a resource promising free Robux, a common lure for malware distribution. The ML classifier strongly flagged this PDF as malicious, indicating it likely attempts to download and execute a second-stage payload. The document body, though heavily obfuscated, contains references to the malicious URL and other similar lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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.online/app/431946152/www-free-robux-game-hack PDF link annotation
    • http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/roblox-script-hacks_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/hacks-minecraft_GM479516143.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/pubg-uc-zarah_GM1330123889.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/coin-master-hack-injection_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/freespinandcoin-blogspot_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/114-4-hacks_GM479516143.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/how-often-pubg-uc-roots_GM1330123889.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/how-to-change-your-roblox-username-for-free_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/pubg-uc-cheap_GM1330123889.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/www-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/coin-master-hack-tool_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/extra-free-spins-for-coin-master_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_004_off000051a0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51A0 24936 bytes
SHA-256: 20e8d74a949b94fb449b2349ca4c7b760958dd7e8b9904099384180396ec3983
font_01_sfnt_off00008b0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B0F 2944 bytes
SHA-256: a5def76b96d3792a9ad07ba495dabf3a38b4f0854047a1e707267b7d859abb6a
font_02_sfnt_off00009521.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9521 18376 bytes
SHA-256: 3afa3067d1f3c9d8d4e5028784d7d2a7352a3b977a914758f486701e4d265e0a

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