PDF static analysis report

Static analysis result for SHA-256 a97b8bfcf850c311…

SUSPICIOUS

PDF

34.8 KB Created: 2021-07-09 14:09:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c24963437ee0cd59c16f915517112406 SHA-1: 7c2a9bbfc5505bda1f0d70d81a8b809c78eaf929 SHA-256: a97b8bfcf850c3119fea7b838c1c09f105ba278a8c2946afbb6df5c6acc1f611
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URL pointing to a "Coin Master Gift Link Hack", suggesting a lure for users to download potentially malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a suspicious nature. While no scripts were explicitly extracted, the document's structure and embedded URLs indicate an attempt to trick users into downloading a 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 http://netcdn.tw/app/406889139/coin-master-gift-link-hack-game-hack PDF link annotation
    • https://nexsoftech.com/upload/userfiles/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/coin-master-hack-game-download_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/coin-master-free-mighty-lion-card_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/coin-master-hack_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/roblox-a_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/coin-master-free-gold_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/can-someone-hack-my-roblox_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/how-to-get-free-robux-easy-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/roblox-bubble-gum-simulator-cheat-version_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • https://nexsoftech.com/upload/userfiles/files/free-robux-hack-2021_GM431946152.pdfIn 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_002_off00003259.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3259 22996 bytes
SHA-256: efca7ba12b12f7ae8d08fa7e9f905627208c3fc50f87c5d845d904b58f1ae330
font_01_sfnt_off00006617.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6617 18004 bytes
SHA-256: 9b6e6c51a93c1278afe1d7f09cc283bbef7911b03c5c76ddcdd4f2fa6fb351ff