PDF static analysis report

Static analysis result for SHA-256 5e039b46f61ac8cb…

SUSPICIOUS

PDF

33.7 KB Created: 2021-06-26 22:24:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 8237649d248f078c8b497282c938bdca SHA-1: 95a2fe4d0c40be693be189e5dff521541821fb73 SHA-256: 5e039b46f61ac8cb8aba799b82c9dea452eead3bf316a6de74c24dc319b8ff46
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document body and extracted URLs indicate a lure for free Roblox Robux, a common social engineering tactic. The ML classifier strongly flagged this PDF as malicious, suggesting it likely leads to a malware download or exploit. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely attempting to deliver a second-stage 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/free-roblox-robux-generator-activation-code-game-hack PDF link annotation
    • http://repository.unla.ac.id/repository/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/is-there-a-free-way-to-change-roblox-name_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/2021-roblox_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/rainbow-path-roblox-hack_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-hacks-mpgh_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-gift-card-free-codes-2021_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-hack-free-robux-amp_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-hack-site_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/how-to-change-username-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-skins-boy-free_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/giftrobux-com-generator_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/free-spins-coin-master-november-2021_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/best-free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-moderators_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/how-to-play-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/how-to-get-free-roebucks-on-roblox_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_off00002c8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8A 22224 bytes
SHA-256: d2d8a76e4d11990b7f860eeaf54326834cdf7dbb0e0481a29b63010bbdf45815
font_01_sfnt_off00005ddf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DDF 19300 bytes
SHA-256: 485ddb04881594354d12f7c402b4f69fa38ab9ec323592a45f89bdeaa5b672b5

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