Malicious PDF — malware analysis report

Static analysis result for SHA-256 edff97a5f39d7dad…

MALICIOUS

PDF

83.1 KB Created: 2021-05-14 02:34:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 30d84a46ebe6d126954ee601555482f9 SHA-1: 0a30242c528317932d60a6275382ff626d30e2cf SHA-256: edff97a5f39d7dad3aff3254d1728b8f918cb8b7875ab5388ca0d70592b8eb54
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a fake CAPTCHA lure and embedded URLs, indicating an attempt to trick users into visiting a malicious site. The presence of the URL 'https://netcdn.xyz/app/431946152/roblox-catalog-free-game-hack' suggests the user is being directed to a site offering game-related cheats or hacks. No scripts were extracted, but the overall pattern is consistent with a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3186

Heuristics 5

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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 https://netcdn.xyz/app/431946152/roblox-catalog-free-game-hack PDF link annotation
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/haktuts-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/coin-master-free_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-blog_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/coin-master-free-spin-sites_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/roblox-re_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/how-to-get-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/flame-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4jembrana.sch.id/__statics/gudangsoal/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://192.168.0.99/%20%3Cp%3E%3Cp%3EFree%20Cracked%20Synapse%20V4%201%200c%20Roblox%20roblox%20booga%20booga%20god%20mode%20hack%20Level%207%206%20Exploit%20Working.%20Release%20roblox%20booga%20booga%20infinite%20reach.%20Free%20robux%20generator%20apk.%20Roblox%20egg%20hunt%202019%20all%20eggs.%3Cp%3E%3Cp%3ECodes%20For%20Kaiju%20Universe%20Roblox%20Coupons,%20Promo%20Codes%2005-2021.%20...%20Pastebin.com%20is%20the%20number%20one%20paste%20tool%20since%202002.%20Pastebin%20is%20a%20website%20where%20you%20can%20store%20text%20online%20for%20a%20set%20period%20of%20time.%20...%20Free%20hack%20Godzilla%20Defense%20Force%20cheats%20code%20list%20-%20g-cells,%20X-nium,%20gold,%20promo%20ticket,%20speed%20up,%20chest,%20gem%20crystal,%20premium%20pack,%20wiki%20...%3Cp%3E%3Cp%3Efree%20roblox%20pants%20girl%3Cp%3E%3Cp%3EMad%20City%20Script%20:%20Mad%20City%20Script%20Hack%20GUI%20Exploit%20In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000de91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE91 25180 bytes
SHA-256: cdf06c781b96579a64020ed6931d902ab1f602feec92e9910fbfdf2205269928
font_01_sfnt_off00011913.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11913 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off000122c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122C3 18568 bytes
SHA-256: cc0ec05b5d894eed425ecb009154fe3a24429e4f12fa9e055098e5230d714ed6

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