Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dd2d3472d193468…

MALICIOUS

PDF

41.0 KB Created: 2021-05-11 16:21:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: a3ae6ddf1ec19a2956e969b3b2589476 SHA-1: 36bb8bf1f23edb6b18ac67e58be861b41ef149df SHA-256: 2dd2d3472d193468ebf155d58fc9cb8bd90331ea0d2f95e75aa1cfccf732baf3
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs pointing to known malicious redirector infrastructure, specifically targeting game hacks for Coin Master and Roblox. The presence of a visual download button and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading potentially harmful content. The document body, though partially corrupted, contains references to game hacks and URLs that align with the heuristic findings.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/406889139/coin-master-3.4-6-hack-game-hack In PDF document text
    • https://newenglandafs.com/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/roblox-microsoft-rewards_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-fun-hack_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/roblox-devil_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/roblox-download_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-free-spin-sites_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-hack-no-survey-2021_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/free-promo-codes-roblox_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/free-spins-on-coin-master-2021-ios_GM406889139.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_003_off00004748.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4748 24008 bytes
SHA-256: dcc53fca243570690b2edae72a6905823242b5ff4cd19fcfe53842e15fefc6ce
font_01_sfnt_off00007e0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E0B 18188 bytes
SHA-256: 417d22065da81414d5b8a7662938c361df9383972de83decc4a47860b2c9c40e

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