PDF static analysis report

Static analysis result for SHA-256 81e74bfe4a6d22e8…

SUSPICIOUS

PDF

45.4 KB Created: 2021-05-15 09:19:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: e414a36d22bad6f9347e8e03718fb044 SHA-1: 1177b134b866d37cf4c4454d861eb7e689553911 SHA-256: 81e74bfe4a6d22e8c279ee86d6b5d9b54576e89019fdb93e2def615f115cbf29
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a ML classifier flagged it as malicious. The document body, though heavily obfuscated, suggests a lure related to "Roblox Apk Hack". The presence of external URIs indicates an attempt to redirect the user to download potentially malicious content, likely a second-stage 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 https://netcdn.xyz/app/431946152/roblox-apk-hack-game-hack PDF link annotation
    • https://vierabyragazze.com/upload/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/rare-free-links-to-coin-master_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-make-clothes-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-diamonds-coin-master_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-online_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/cool-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/roblox-avatar-free_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/real-coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/woman-roblox_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-freebies-2021_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
    • https://www.roblox.coIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000047e9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47E9 31736 bytes
SHA-256: 15bd44de6058ab47e4b550d6cc78872ab5a34d2c76f2f121ebdd5d1af13d733f
font_01_sfnt_off00008ed8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED8 18356 bytes
SHA-256: 7e836b6261bebb63fda2bc6c603fa398fe0a548bc6334e21915c3f4956160db8