PDF static analysis report

Static analysis result for SHA-256 f863c8079d56283d…

SUSPICIOUS

PDF

33.4 KB Created: 2021-06-20 15:30:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b98339727cec4b2a0f634af5050400ba SHA-1: 409aebdfe7dfb112a94d5ed2bb0c3f83c55eb04a SHA-256: f863c8079d56283dce464640fc66e95ac7a217170bd1f71a8029493b5c632040
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that explicitly advertises 'Hack Cheats For Roblox' and similar lures for other games. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests an attempt to download further payloads or redirect users to malicious sites. While no scripts were directly extracted, the overall pattern indicates a phishing or social engineering attack aimed at tricking users into downloading potentially harmful files.

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/hack-cheats-for-roblox-game-hack PDF link annotation
    • http://niceviaapia.com.br/images/ckfinder/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/can-i-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-rare-cards-for-coin-master-christmas_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/rewardrobux-com_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-images_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-minecraft-severs_GM479516143.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/spin-and-coin_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master-free-spins-link-2021-hack_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-tiktok-likes-and-followers_GM835599320.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coinmaster-blogspot_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002d71.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2D71 21700 bytes
SHA-256: b8a97a0e15f0d9364fa29440e957381bbf99db105145ee03c2df195b014668f9
font_01_sfnt_off00005d45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D45 19088 bytes
SHA-256: d37b0b2c33cba8e91da3341b270fb05bc5f33c67639bebd20fa0875d5e9510c6