Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e44eb55a21574f8…

MALICIOUS

PDF

34.8 KB Created: 2021-06-29 23:25:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 250e85abb57092198fe1c0097288cb55 SHA-1: bd2f54e0730e5383ff17798ca3df75d3a9ad6046 SHA-256: 8e44eb55a21574f8ba01c7cae599ccb0b2c24225944cf2b81b8ed20d3c3d5886
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains numerous links to external websites, many of which are presented as hacks or cheats for popular games. The heuristic PDF_SEO_LINK_FARM indicates a large number of these links, suggesting a link farm designed to attract users searching for cheats. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of this document, likely intended to lead users to download malware or engage in phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/roblox-martial-arts-hack-game-hack PDF link annotation
    • https://pustaka.mic.sch.id/repository/roblox-hxh-immortal-dream-level-xp-hack_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/how-to-get-free-robux-using-pastebin-2021_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • https://pustaka.mic.sch.id//repository/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://pustaka.mic.sch.id//repository/coin-master-links-for-today_GM406889139.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/wizard-simulator-roblox-hack_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/how-to-get-into-roblox-games-for-free_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/2021-roblox-place-free-bricks-image_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id//repository/free-robux-accounts-2021_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id//repository/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/how-to-ban-or-kick-in-servers-roblox-hack-script_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/how-to-get-free-builders-club-on-roblox-on-phone_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id//repository/coin-master-hack-for-ios_GM406889139.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/roblox-cheat-engine-66-noclip_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id//repository/free-spin-coin-master-hacktoman_GM406889139.pdfIn PDF document text
    • https://pustaka.mic.sch.id//repository/free-100-robux_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/cheat-engine-table-for-roblox_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/roblox-when-will-world-zero-release-for-free_GM431946152.pdfIn PDF document text
    • https://pustaka.mic.sch.id/repository/roblox-prison-life-hack-script_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_off00002ff7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FF7 22672 bytes
SHA-256: 43e0531cfaf840f5fb17f29b52809c3b0b84c05447dee4b4a4bb0dc0efea3f7b
font_01_sfnt_off000062bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62BC 19076 bytes
SHA-256: f25fd733e72e6fe45cb77b31896b47481e65d23b5cdb481d08b5ddbaa5a4de89

Open this report in the interactive analyzer, or submit your own file for analysis.