PDF static analysis report

Static analysis result for SHA-256 4c2b1d4543e0d800…

SUSPICIOUS

PDF

34.7 KB Created: 2021-07-03 10:15:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: bfaae5dee77703d0a990f01a6e5afbf6 SHA-1: 3b11cfeb1e67cd2d86eac7cf2c160fdfc2f184b8 SHA-256: 4c2b1d4543e0d800504685b3e1a4092020965ca952f7d2a762ae1d4bdd330d3f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, many of which are disguised as offers for in-game currency or items for popular games like Roblox and Coin Master. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests an attempt to redirect the user to a malicious site. While no scripts were explicitly extracted, the nature of the lures and the embedded URLs indicate a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.

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-hair-boy-game-hack PDF link annotation
    • http://samavetpharm.com/userfiles/files/free-chest-coin-master_GM406889139.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/hack-roblox-downla_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/how-to-get-hair-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/how-to-get-free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/fast-robux-online_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/how-to-get-free-faces-on-roblox-youtube_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/free-robux-offers_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/coin-master-hack-mod-apk-2021_GM406889139.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/free-robux-generator-no-human-verification-mobile_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/robux-hack-com_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/will-minecraft-ever-be-free_GM479516143.pdfIn PDF document text
    • http://samavetpharm.com/userfiles/files/free-robux-hack-generator-2021-that-i-can-download_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_off00002f3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F3B 23044 bytes
SHA-256: 07d68ab610fc44d45b1560ef3a6277fa3d718ff61bfd5616761052257b58b1d9
font_01_sfnt_off000062d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D9 18952 bytes
SHA-256: e09dad7608827ad8ad2387fa021b20807e6bb89cf3f129cf26c2154d9fd4194e

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