Malicious PDF — malware analysis report

Static analysis result for SHA-256 468e8f13ba73c8e8…

MALICIOUS

PDF

34.6 KB Created: 2021-06-19 02:00:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1645f31d5eca2d16278f5604b72a805c SHA-1: ce0df662860c05687efebe4281f5dc65dba754d8 SHA-256: 468e8f13ba73c8e885a103ab01ef151243461a4ab865c884ef5665adfd6a745b
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and text related to game hacks and free currency, which is a common lure for malicious content. The critical heuristic firing indicates the primary link directs to known malicious redirector infrastructure. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence suggest a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/www.robux-hacks.com-game-hack In PDF document text
    • https://ciudadata.ec/images/ckfinder/files/coin-master-unlimited-spins-apk-free-download_GM406889139.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/spin-and-coin-link_GM406889139.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/coin-master-hack-dot-xyz_GM406889139.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/how-to-hack-roblox-death-zone_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/coin-master-hack-xyz-2021_GM406889139.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/free-tiktok-likes_GM835599320.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/free-roblox-animations_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/free-robux-script_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/minecraft-net-download-free_GM479516143.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • https://ciudadata.ec/images/ckfinder/files/free-coin-and-spin-in-coin-master_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_off00002d90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D90 22796 bytes
SHA-256: 3fdfbcd26486c6652c0159dbb7923ed269fefab9a3245464730a1ae2410b262e
font_01_sfnt_off000060a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60A2 19612 bytes
SHA-256: b86224979fb8ce3dc39da59db4c3836a5031f9219f47bf6678f61e16026548fd

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