PDF static analysis report

Static analysis result for SHA-256 a509e6a23acdc028…

SUSPICIOUS

PDF

33.5 KB Created: 2021-07-19 14:16:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 957538264b925aa75503e28f991a4b4d SHA-1: 7267b311b2583b2f089bab6b8440a7c39799533c SHA-256: a509e6a23acdc028bc3ae4745b42ea0c208923084e70692fe6ef10b1118db708
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual download button lure, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious with high confidence. The primary URL, http://netcdn.tw/app/431946152/how-can-you-get-free-robux-game-hack, indicates the document is likely a lure for free in-game currency or hacks.

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/how-can-you-get-free-robux-game-hack PDF link annotation
    • https://zustsearch.com/uploaded_files/userfiles/files/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/free-robux-accounts_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-phone_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_off00002c2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2B 22792 bytes
SHA-256: 00287569fbd1cc3e618013b02b9b81cf5c2bd9ccc2add14148449c27239e79a7
font_01_sfnt_off00005f53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F53 18860 bytes
SHA-256: 3add24dcf1475cac500c121069f698e62b0696d093573e8c97a80decf3f01ac7

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