PDF static analysis report

Static analysis result for SHA-256 58394a356defa097…

SUSPICIOUS

PDF

42.2 KB Created: 2021-04-28 09:18:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 7d44499b147e54d1275ce079a191f155 SHA-1: a1fc5103228bae7c2a4a042c4d8b6a9efd5d93e6 SHA-256: 58394a356defa0979bbd4369426cce4056d4f306a49cf11cc6de35860714e84b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action phrase, strongly suggesting a social engineering lure. The ML classifier also flagged the PDF as malicious. The primary URL points to a download for a 'robux hack', indicating a likely attempt to trick users into downloading malware disguised as a game cheat. No scripts were extracted, but the presence of external URIs and the ML classification support a suspicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/robux-hack-download-app-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/80-robux-for-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/comment-hacker-roblox-accesoir-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/app-hacked-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/cheat-engine-roblox-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/infinite-health-hack-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-urban420-network.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-frappe-hacks.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/bear-cheats-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-adopt-me.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-proof.pdfIn PDF document text
    • https://robux-rank.comIn 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
stream_003_off00004048.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4048 27672 bytes
SHA-256: 576e97a75411e52684e5f8ab609d5c8d19e93a45722f2c82579e9d191953cab5
font_01_sfnt_off000080c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80C8 19004 bytes
SHA-256: 9242d1ae9b85d074e90c15a84e41db369cf7e9cbda36086591e77ff1da26d3eb

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