PDF static analysis report

Static analysis result for SHA-256 4159bfcd986c5c5e…

SUSPICIOUS

PDF

35.8 KB Created: 2021-07-09 20:02:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 94b61968d08e1f1fba9af005d5ba8ea1 SHA-1: 43605ac2e1d1479cac06749bbeca6228f68adabd SHA-256: 4159bfcd986c5c5e920c354da59b7bee7a33b61bc4db9a4013633db9e7cc4f6a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a clear lure for free in-game currency, directing users to a URL that likely hosts a malicious application. The ML classifier strongly flagged this PDF as malicious, and the presence of an external URI reinforces the suspicious nature of the document. No scripts were extracted, but the document's content and the external URL suggest a phishing or social engineering attempt to trick users into downloading malware.

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.tw/app/431946152/easy-way-to-get-free-robux-game-hack PDF link annotation
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/free-spins-coin-master-twitter_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/all-links-for-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/oginject-co_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/coin-master-hack-pro-gamers-com_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/why-people-ask-for-free-robux-in-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/coin-master-hack-online-no-human-verification_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/eclipsis-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/are-minecraft-realms-free_GM479516143.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_off00003392.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3392 22740 bytes
SHA-256: 584b58156044ad08562e28439584b6a3fe4009245d857798e164ede84401b3ed
font_01_sfnt_off0000663e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x663E 19196 bytes
SHA-256: 64e8f018724e62164b0ada1d77f482f882d8547e2dcd2accc6d14ba4748306e9

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