PDF static analysis report

Static analysis result for SHA-256 a8f35fbe424196f4…

SUSPICIOUS

PDF

47.3 KB Created: 2021-05-16 17:43:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: ef4a5ac8c3f779a7bf54d6c3d66f0416 SHA-1: 84b81b5e3fab8f3c495aeffdb146ce76f324b073 SHA-256: a8f35fbe424196f405e8a2c041df6310b558995cb26dbc0d72a120e3f0116107
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as suspicious by an ML classifier. The file presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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 https://netcdn.xyz/app/406889139/free.spin.coin-master.link.download-game-hack PDF link annotation
    • http://www.primeinformatica.it/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/free-robux-just-enter-username_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
    • http://www.primeinformatica.it/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/coin-master-free-spin-whatsapp-group_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/coin-master-hack-apk-download-latest-version_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.primeinformatica.it/images/coin-master-hack-apk-july-29_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/hack-coin-master-apk_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/mcpe-optifine_GM479516143.pdfIn PDF document text
    • http://www.primeinformatica.it/images/coin-master-free-coins-link-march-2021_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/coin-master-spin-hack-app_GM406889139.pdfIn PDF document text
    • http://www.primeinformatica.it/images/hacks-master-coin_GM406889139.pdfIn 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
stream_003_off00004aaa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AAA 25572 bytes
SHA-256: 8918f50bed7dd86f99dcd8d185448827f42f249828134cb763feb34008a52eac
font_01_sfnt_off000083aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83AA 7332 bytes
SHA-256: d811e0aca85f3b94c42cd1240eec68b8eb378f3d8be5e408d3f6abd0f11f834d
font_02_sfnt_off000095c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95C3 18536 bytes
SHA-256: 0a843d1af42a7c6593ae9dbefe9042cd7b6c8d8684895b607438512db8b3fc3a