PDF static analysis report

Static analysis result for SHA-256 38d419108e8630dc…

SUSPICIOUS

PDF

33.4 KB Created: 2021-07-21 15:10:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c16a5c9196b40aaf404c2de1d8975f1d SHA-1: 5619c1a23c87823ad96f8e5b45ed89fb0b627800 SHA-256: 38d419108e8630dcb48a4a5207b8f5291f896d95612ba26f53a35811babf60c8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux, directing users to a URL that likely hosts a malicious application. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a malicious intent to download a payload. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to trick users into downloading and executing a second-stage file.

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-2021-game-hack PDF link annotation
    • https://inspiration-modellbau.de/images/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/free-tiktok-likes-generator_GM835599320.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/minecraft-java-free-download_GM479516143.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/coin-master-15-free-spin-link-of-last-5-days_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
font_00_sfnt_off00002d0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0E 22620 bytes
SHA-256: 8e63dffda5aaf49a5c2d4b7cdfbfdb01c0d37f403c3f03c577d8a9da3d81fe58
font_01_sfnt_off00005f4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F4F 18600 bytes
SHA-256: a2c5ceeb34a0fdda65f6d16b67831e7179df071a1f7dc46648d6724acc442c88

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