PDF static analysis report

Static analysis result for SHA-256 fffe383dfc106ce4…

SUSPICIOUS

PDF

48.5 KB Created: 2021-06-09 11:32:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: bffa1d70a2ed8186bbc41ee7a4f3e6c1 SHA-1: 8c678365456198f3bb0fdb304c9ed0e5c1c1015a SHA-256: fffe383dfc106ce45dd84f5bd9e9efe6c7a154525598ad8d1224d84ee2f27f2b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a document body that suggests it is a lure for downloading a game hack. The ML classifier also flagged this PDF as malicious. The presence of external URIs and the overall theme point towards a social engineering attack to trick users into downloading potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/roblox-name-charnge-hack-game-hack PDF link annotation
    • https://vierabyragazze.com/upload/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coinmaster-spin-ml-link_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-roblox-codes-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/minecraft-pe-free_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-minecraft-coins_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/best-way-to-get-robux_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/admin-free-download-roblox_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/pubg-uc-apk_GM1330123889.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/what-games-give-you-robux_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hack-co_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/roblox-redeem-robux-code-free_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-diamonds-coin-master_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_004_off00004f82.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F82 26372 bytes
SHA-256: 8833d892d0ceb0db81ae55689ccef2b7db47f1e15e9341747014cae37ddea4ac
font_01_sfnt_off00008bc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BC9 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off000098db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98DB 18896 bytes
SHA-256: 59d6b930fa72af717e59793251649d062174367ce971b70bba0bc9ee129a21ad