PDF static analysis report

Static analysis result for SHA-256 155b010869e4b559…

SUSPICIOUS

PDF

43.3 KB Created: 2021-06-03 09:35:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 8d860c6f66b34ad396486f7dd5a9ceb2 SHA-1: 826eccc86f0f5d7b0a7d9e234c148033915006f1 SHA-256: 155b010869e4b55989a5cd0dd926f804dc910e5d229fb36b83d74632c5e5e5a6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple embedded URLs and a heuristic firing for an external URI, suggesting it is designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/hack-coin-master-1-game-hack PDF link annotation
    • https://planetzoe.hr/files/roblox-games-to-play-for-free_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/robux-codes_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/coin-master-hack-ios-no-jailbreak_GM406889139.pdfIn PDF document text
    • https://planetzoe.hr/files/robux-website_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
    • https://planetzoe.hr/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/you-promised-my-son-free-robux_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/free-2021-robux_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/free-promo-codes-for-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/coin-master-hack-online-link_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/how-to-make-a-group-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/minecraft-apk-114_GM479516143.pdfIn PDF document text
    • https://planetzoe.hr/files/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
    • https://www.planetzoe.hr/files/roblox-hack-apk_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/where-can-i-get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/roblox-hack-unlimited-robux_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_004_off00004c93.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C93 25748 bytes
SHA-256: 4418b29afeaa36b08a47291f31dc56b57e90f2ee33089b70ab8e84482e7b1f32
font_01_sfnt_off000087f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87F0 17820 bytes
SHA-256: a92da5948b358c1444de2cd11ee08a13ae84b81ab982e265d18b9f82cd1c2753