PDF static analysis report

Static analysis result for SHA-256 73ac6d4671d2bb1f…

SUSPICIOUS

PDF

36.9 KB Created: 2021-06-19 06:14:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 3725ea24fa40e608eac91c8a6a4914f1 SHA-1: 11b5ea19ded06966e2161fac07b8a0e96eebeb89 SHA-256: 73ac6d4671d2bb1f97426b201ec60f4e5a574d404315c04f0cc7f6ab2f818d37
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and text lures related to game hacks and free in-game currency, strongly suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious. The presence of external URIs indicates an attempt to redirect the user to potentially harmful content or download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/roblox-free-robux-2021-pastebin-game-hack PDF link annotation
    • http://htbrasil.net/ckfinder/userfiles/files/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/free-jurassic-world-headphones-roblox_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/coin-master-rare-cards-hack_GM406889139.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/get-verified-tiktok-free_GM835599320.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/how-to-get-free-shirts-on-roblox_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/coin-master-hack-iosgods_GM406889139.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/daily-free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/lazy-blocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/roblox-sued_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/minecraft-pe_GM479516143.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/hacks-para-roblox-para-tener-rubux-infinitos_GM431946152.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
    • http://htbrasil.net/ckfinder/userfiles/files/cool-roblox-skins-that-are-free_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn 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_off000034bd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34BD 23396 bytes
SHA-256: 825e606345e4960458ab38a6e7eba89c76c9401caef6e040157c08689dbe0367
font_01_sfnt_off000069d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69D1 19568 bytes
SHA-256: bc7885cc47455534d0baa6a6389a354cc64a114f4859dddccd9d87aeb17a8088

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