Malicious PDF — malware analysis report

Static analysis result for SHA-256 07ba12de2c80a78f…

MALICIOUS

PDF

47.0 KB Created: 2021-05-30 06:42:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 9c3c9f83bdf7bcf486dded4e07e71f1e SHA-1: 7b9a87c4e85b9d3ffb8aa314914ff93c9d388f39 SHA-256: 07ba12de2c80a78f0238a503919285c892f136518cafe034a769c4c7a57bb388
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a lure for 'free Robux' and other game-related cheats, directing users to external URLs. The presence of embedded URLs and a high ML classifier score indicate malicious intent, likely to lead users to phishing sites or download further malware. The document also suggests a password-protected archive, a common tactic to bypass security filters.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9418

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/431946152/free-robux-websites-that-actually-work-2021-game-hack
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-tiktok-likes-without-verification_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-server-hacks_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-realms-free_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-link-2021_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-2021_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-free-tiktok-fans_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-texture-packs-for-minecraft-pe_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-redeem-codes_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/best-minecraft-hacked-client_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/you-promised-my-son-free-robux_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/give-me-free-robux_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/bloxpink-free-robux_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/get-free-robux-now_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-tiktok-likes-no-human-verification-or-download_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-java-edition-download-free_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-mobile-free_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-co_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-free-ios-2021_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-gifts_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-minecraft-maps_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-hack-2021_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/tiktok-viewer-free_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-spin-coin-master-2021-link_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-24-7-minecraft-server_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-do-u-get-free-robux-2021_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-legit_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-daily-free-spins_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00005349.bin
8047d26598e4740630a404a1bb0072985b807bb6a3fd87bf9a6b4608b0300a29		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5349 26952 bytes
font_01_sfnt_off000090d1.bin
7b3ca8e33f6ab65cae0b12a773bae5d0e0377a7b1030ef9ec14be3c3cdd71d54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90D1 19656 bytes

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