PDF static analysis report

Static analysis result for SHA-256 b482184b1bebd4f5…

SUSPICIOUS

PDF

31.8 KB Created: 2021-07-20 08:21:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 7b87a5b3038a690f68d6443b450f0b0c SHA-1: a4df6b3af9f69192ea068bce1922fcf297035d61 SHA-256: b482184b1bebd4f53bdb087ca0c98eb2e80b451dd989b935a7c73e71c952a0a3
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The primary URL, http://netcdn.tw/app/431946152/how-to-buy-robux-for-free-game-hack, is presented as a way to get free Robux, a common lure for younger audiences. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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-to-buy-robux-for-free-game-hack PDF link annotation
    • http://domaizdereva24.ru/images/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • http://domaizdereva24.ru/images/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://domaizdereva24.ru/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/coin-master-free-spin-codes_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_off0000270a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x270A 22652 bytes
SHA-256: 622c1cdff1e6dae2cf0b443fee8e6988d777fe167292f6949b4608992478f202
font_01_sfnt_off00005957.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5957 18544 bytes
SHA-256: 91d288c248a30ed6e74be24ccff17ba7f2cc9913495eb801e969d2fad8023711

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