PDF static analysis report

Static analysis result for SHA-256 b9e1707a48e18359…

SUSPICIOUS

PDF

33.3 KB Created: 2021-07-21 02:22:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 263227bbd44ebc091f51020638fc0c37 SHA-1: f00a8d58e82bbfadb7764625f88c2bdc5885ca92 SHA-256: b9e1707a48e183591916256632b8c8b098e4f5d91a08553d48c01df42a530ef2
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a prominent call-to-action to obtain 'free Robux', indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the document's content suggest it is designed to redirect users to malicious websites, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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.tw/app/431946152/free-robux-websites-no-human-verification-game-hack PDF link annotation
    • http://lekarinfo.mk/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://lekarinfo.mk/images/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
    • http://lekarinfo.mk/images/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://lekarinfo.mk/images/free-robux-generator-no-survey-no-download-no-human-verification_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_off00002c96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C96 22064 bytes
SHA-256: 3da64d66c4dd1f0289342e16166281802638ace3379a8418afc9e2a7d66a6c6d
font_01_sfnt_off00005d44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D44 19244 bytes
SHA-256: 659ef84f93a83877f43ad6c8b94ff610d3a9fae26b98e312ee47b1fc3a7bcb1d

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