PDF static analysis report

Static analysis result for SHA-256 bc9777ddf0115477…

SUSPICIOUS

PDF

42.2 KB Created: 2021-04-28 11:57:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: f9571013d8d9b58b2054f62fac69916f SHA-1: eb1069e0cfc2c5507e69166c01aea232b53caa64 SHA-256: bc9777ddf0115477eca19834ba8ee41ac0a08d13f109553a2c6730bf6f681cbe
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, many of which point to websites offering game hacks and virtual currency, suggesting a lure for users to download potentially malicious files. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of external URIs and the document's structure indicate an attempt to redirect users to malicious content, likely as part of a phishing or malware distribution scheme.

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/icon-free-robux-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/roblox-x-ray-hack-autohotkey-download.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-teleport-using-cheat-engine-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-hack-free-robux-and-tix-no-survey.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/best-and-easiest-roblox-hack-for-robux.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-get-free-faces-on-roblox-november.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-roblox-toy-codes-august-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/robux-points-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-today-ad.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/2021how-to-get-free-robux.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/khaos-free-robux-generator.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 5

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_off000040e7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x40E7 29728 bytes
SHA-256: afcd16542c4f1e062eb8ff2201ed98b4505ef469f7439b1af6c48313e2049bf6
font_01_sfnt_off0000844c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x844C 18012 bytes
SHA-256: 4c8390f99c65b16b22b68ecb5c382cf4ba152000809fe41eca0975cefc65a53e

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