Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d96eaf6ae5bc942…

MALICIOUS

PDF

35.8 KB Created: 2021-06-25 07:15:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: faba80ff8481c7c35ec0b8a4a4943a34 SHA-1: f3e9fcc42a3b006d7bdfed15a777750c7a7b23c5 SHA-256: 7d96eaf6ae5bc9424fdf995abf026ba5c96f61423bd290bb8da36ee66dd38717
100 Risk Score

Malware Insights

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

This PDF file contains embedded URLs and a document body that explicitly advertises game hacks and free in-game currency, such as for Roblox. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the primary URL leads to known malicious redirector infrastructure, suggesting the user is intended to be led to a malicious download or exploit. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/how-to-download-roblox-hack-v6.5-game-hack In PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-shirt-roblox_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/get-free-robux_GM431946152.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/shadowslayefighter-in-roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-get-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/try-minecraft-free_GM479516143.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/get-free-robux-and-tix-no-survey_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/android-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/backpacking-hack-roblox-v3rmillion_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/gratis-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/www-roblox-com-cheat-in_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-laptop_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-without-verification-2021_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_off0000314a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x314A 22988 bytes
SHA-256: 79283f209695c87ce3f0b29eec0e63b6de03c4bb70b4b671562486367a949406
font_01_sfnt_off000064ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64AB 19664 bytes
SHA-256: 8277c2e76d24e513672b49121fb049e8b6e5d636fe3f52359b595f32759a7914

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