PDF static analysis report

Static analysis result for SHA-256 31820e0d13d70b08…

SUSPICIOUS

PDF

35.9 KB Created: 2021-06-25 05:20:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c8cf5ce44fb7973e85f00f76ed6db666 SHA-1: 0b4fb37b6b1e2e7abd0613766e025398578cf491 SHA-256: 31820e0d13d70b0887c2c10bd451e21ff74045d3cf3b3c3cffcb5d1d1bf74039
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, including one pointing to 'netcdn.co', which is associated with a lure for free Robux. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related text further supports a phishing or malware distribution attempt. No scripts were extracted from this sample, but the overall structure and content indicate a likely attempt to trick users into downloading a payload.

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/how-to-get-free-robux-on-ipad-no-password-game-hack PDF link annotation
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/roblox-the-conquerors-3-money-hack-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-robux-discord_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/robux-free-hack-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/roblox-free-private-server_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/hack-roblox-game_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-tiktok-likes-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/roblox-robux-hack-download-mac_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-robux-2021-july_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/minecraft-beta-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-roblox-promo-codes-december-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1kotamagelang.sch.id/__statics/gudangsoal/files/free-diamonds-roblox-royale-high_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_off0000349e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x349E 22160 bytes
SHA-256: acf82c99d125ee79e5afc96094953c1a66d0cfa911bb091e559ade64f33a0ca2
font_01_sfnt_off000065e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65E4 19488 bytes
SHA-256: 66475b475020a350f83a999d4a27aa78afcc5fa5df2304498396358e5c1165e7

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