PDF static analysis report

Static analysis result for SHA-256 73b77ccdf8bb4af7…

SUSPICIOUS

PDF

32.8 KB Created: 2021-06-17 22:14:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8327c4439724db330d55a08ae4dc8d20 SHA-1: 2d1ea9dfcb93647db20495a0f19bff272f3a92e2 SHA-256: 73b77ccdf8bb4af7feafc13419e614598712ccb506d0f9cafb22c0c4c2ac8f71
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, many of which are hosted on domains like 'niceviaapia.com.br' and 'netcdn.co', and are disguised as links to free game hacks or currency. The ML classifier strongly flagged this PDF as malicious, and the presence of these deceptive links suggests an attempt to trick users into downloading malware. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/free-esp-aimbot-roblox-game-hack PDF link annotation
    • http://niceviaapia.com.br/images/ckfinder/files/tiktok-free-online_GM835599320.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-fans-on-tiktok_GM835599320.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/zephplayz-roblox-free-robux_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/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-robux-hack-2021-may_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master-hack-version-33-2_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/get-free-robux_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/how-to-get-free-roblox-real_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/static-moonactive-net_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-robux-gen_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-free-followers_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/offers-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/is-it-possible-to-get-free-robux_GM431946152.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_off00002a90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A90 22036 bytes
SHA-256: cabe722755725fd0a636e295b43e9dcdaeffcd3e95c02346ad01457b54abe509
font_01_sfnt_off00005b3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B3F 19124 bytes
SHA-256: 280dee3d00e6712ffe7907bdaf8e4de539e6e6d398b93308b50a2d293d962469

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