PDF static analysis report

Static analysis result for SHA-256 cec1d7f391f2cf5c…

SUSPICIOUS

PDF

43.7 KB Created: 2021-04-28 03:42:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 7a68f4609206413cc9d1bda0bf4dbc7f SHA-1: be14bda5195694d59b53fdc7206a1e0d89c51705 SHA-256: cec1d7f391f2cf5cb3f0c53f0112b44151087f9912c5e922855e83c286a35ff3
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicates maliciousness, and the document body contains a lure for a game hack, directing users to a suspicious URL. The presence of numerous similar URLs further supports a phishing or malware distribution attempt. No scripts were extracted, but the PDF structure and embedded URIs are indicative of a malicious document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

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/how-to-get-marshmallow-head-in-roblox-2021-for-free-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/roblox-shard-online-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-november.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-csgo-skins-roblox-id-audio.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-stuff-on-roblox-catalog.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/spped-hack-2021-november-for-roblox-the-last-avatar.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-bux-hack-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/babe-free-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-hacked-roblox-account-back.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-stuff-in-roblox-catalog-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-be-a-hacker-on-roblox-ipad.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_003_off000040f0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x40F0 25884 bytes
SHA-256: 21a63389b9749fd77f56f1de629d1f1bb1561e1c61fc2da6639c76363c9afcdc
font_01_sfnt_off00007afa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AFA 2848 bytes
SHA-256: 4737c2778a085e0cb49e73f3b054b1a71e3f40720d213b4bfda97f95a31bfbf1
font_02_sfnt_off000084bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84BC 19640 bytes
SHA-256: 388a92a4bed2c445f8337a77b0d8ecc44bf9e3d574fd8f8e0d0622b5d2f1f89b

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