PDF static analysis report

Static analysis result for SHA-256 8716f45e66d869a9…

SUSPICIOUS

PDF

34.8 KB Created: 2021-06-30 17:03:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5f6dc393bc6f708560e04b90106437fd SHA-1: d3a6aebd130151aa7110afa2144994d6ed4d256d SHA-256: 8716f45e66d869a9eae29e3f6d893ee71c6463a2971984b8fb605156e0c6ee1d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are related to game cheats and hacks, such as 'free Roblox account generator'. The ML classifier strongly flagged this PDF as malicious. The presence of embedded URLs and the document's theme suggest it is designed to trick users into visiting malicious sites, likely for credential harvesting or malware distribution.

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.co/app/431946152/free-roblox-account-generaotr-game-hack PDF link annotation
    • https://purihostel.com/assets/CKImages/files/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/v3rmillion-hacks-roblox_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/how-to-get-free-robux-on-roblox-2021-no-hacks_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/free-walking-animation-roblox_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/how-to-do-roblox-wall-hacks_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-hack-ios-no-human-verification_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/minecraft-marketplace-free_GM479516143.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/cheat-roblox-knife-capsules_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/hack-coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/get-free-robux-no-human-verification-real_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/robux-gratis_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/robux-free-co_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
font_00_sfnt_off0000327d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x327D 22204 bytes
SHA-256: 37007beb436ffc5cc8d3e6115ddc522f4b059a614ab126ca7c4f3d8a74396434
font_01_sfnt_off00006396.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6396 18896 bytes
SHA-256: bb9e6463d1c81a2a547d1690b1a8e73c4c12e3f7068d53863442e88dfdb98424