Malicious PDF — malware analysis report

Static analysis result for SHA-256 94675db6cf4afe54…

MALICIOUS

PDF

42.7 KB Created: 2021-05-16 23:12:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 9176acc8a761cf0dd180bf6f36ef35bf SHA-1: 06913a352ce60bf7ed0d1dada79e84dd9a348d94 SHA-256: 94675db6cf4afe54f3e9ab09cfcf5e401c7f50f64d711e9da559050a6e87f3d8
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are presented as generators or hacks for popular games. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of these links, suggesting a link farm designed to attract users with deceptive content. The ML classifier also strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of numerous external links and the deceptive content strongly suggest an attempt to redirect users to malicious sites, likely for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/406889139/coin-master-raid-hack-game-hack PDF link annotation
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-minecraft-account-and-password-generator_GM479516143.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/coin-master-website_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/how-to-get-free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/coin-master-heaven-daily-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-no-verification-code_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/hack-coin-master-game-apk-download_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/how-to-get-roebucks_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-roblox-card_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-robux-images_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021-no-verification_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/how-to-play-minecraft-for-free-on-computer_GM479516143.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/how-to-get-free-roblox-premium_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-coins-coin-master-today_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-coins-coin-master-haktuts_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-robux-com-real_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnurulislamblc.sch.id/__statics/gudangsoal/files/free-robux-discord_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_off00004c16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C16 25272 bytes
SHA-256: 7601b56cd21353652a2c87a87b08d83baeb7505e46ad16f6a4a1dc6e83638e5a
font_01_sfnt_off000085d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85D0 17888 bytes
SHA-256: 3bcd7f88e9aff6a3f00dfa05e6d37dfcb1a17a5992fabfc54377b1f82d15f42c

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