Malicious PDF — malware analysis report

Static analysis result for SHA-256 3218ae2f4b7d9b08…

MALICIOUS

PDF

45.2 KB Created: 2021-05-16 08:17:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: d86dc97c31e39e9f6022eb23653064c0 SHA-1: ef16460cd0e746aee52ec8bcf869484e01b0a3d5 SHA-256: 3218ae2f4b7d9b086eb47e334f193def0dbf0f3e5a62f15efea7ce65dbccf912
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, disguised as a download for Minecraft. The document body and embedded URLs further reinforce the lure, directing users to download game-related "hacks" or "spins" from various domains. The presence of a download button heuristic suggests a user-interaction-driven attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9621

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/479516143/minecraft-1.14-download-game-hack In PDF document text
    • http://grugliascogiovani.org/images/coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • http://grugliascogiovani.org/images/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/coin-master-online-hack-no-survey-no-password_GM406889139.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/roblox-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-modded-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://grugliascogiovani.org/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://grugliascogiovani.org/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • http://grugliascogiovani.org/images/100-robux_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/www-robux-redeem_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-robux-no-email_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/coin-master-cheats_GM406889139.pdfIn PDF document text
    • http://grugliascogiovani.org/images/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://grugliascogiovani.org/images/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • http://grugliascogiovani.org/images/freerobux-co_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49E3 25192 bytes
SHA-256: e1995f0310315739fbf08a34a85f8d61f682c18930f81aa0472890878b7c1294
font_01_sfnt_off00008337.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8337 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00008d47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D47 18524 bytes
SHA-256: 6d95bb5e0251b920a9764ccc918690a910b4901eebdf6c0878bf0d7e0e2360a0

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