PDF static analysis report

Static analysis result for SHA-256 43fda5c3eda87851…

SUSPICIOUS

PDF

33.9 KB Created: 2021-06-18 07:19:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: e9a22d426a2b61c0606daa1f1d7a464e SHA-1: 4384610862a34fe96dc09a0f9218621ee60f18ba SHA-256: 43fda5c3eda87851a56dd32f7cec7f5eefa9b556abe7c278855178f2b4f0d2ff
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs and a prominent external URI pointing to a site offering a 'free Robux game hack'. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related lures reinforces the malicious intent. The document likely serves as a lure to download and execute a secondary payload.

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/431946152/just-create-free-robux-game-hack PDF link annotation
    • http://library.ulb.ac.id/repository/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/coin-master-jackpot-hack_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-coin-master-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/robux-get-com_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/reborn-hack-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-cheat-in-growing-up-simulator-in-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/roblox-login-hack_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/code-free-robux_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/minecraft-games-free-download_GM479516143.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/minecraft-bedrock-download_GM479516143.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-get-free-schrt-in-robux-copyng-it_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-group-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/roblox-hack-account-with-robux_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/pokemon-go-free-coins-2021_GM1094591345.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/rich-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/jailbreak-script_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_off00002d6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6B 22508 bytes
SHA-256: c50829bd3ba3843147db6759dd82b0d307528e9044986a73c74d7f020ce25305
font_01_sfnt_off00005f8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F8E 18988 bytes
SHA-256: bca2aa529c7ae1ec246bd3f6dfb5cc6dbe81e86ef4736807f3d69a4bd7afa9b4

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