PDF static analysis report

Static analysis result for SHA-256 81d91d2f7820dc3c…

SUSPICIOUS

PDF

36.7 KB Created: 2021-05-21 14:32:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 3e41dbaac3c8115d28c0fb7753d85f39 SHA-1: 2e39894203af75355b8981aa7496b0460e8a5cee SHA-256: 81d91d2f7820dc3c73c25d23262b31313aa3a87d317d78d594661d73192d9dab
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action phrase, 'CLICK HERE TO ACCESS ROBLOX GENERATOR', which strongly suggests a phishing or social engineering attempt. The primary external URI, https://netcdn.xyz/app/431946152/free-robux-picture-game-hack, is likely the initial landing page for a payload download. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/free-robux-picture-game-hack PDF link annotation
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/free-roblox-card_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/legit-coin-master-hack-without-verification_GM406889139.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
stream_002_off0000341f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x341F 24968 bytes
SHA-256: 8a81986e4568a9019346cfe911f5449867b5272a3676307a5b1b01a1bd719c1e
font_01_sfnt_off00006df7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DF7 18392 bytes
SHA-256: 34b0e3a58c66b2af54b16d5c8d734c4555ce81663a4a6734022a64244545498a

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