Malicious PDF — malware analysis report

Static analysis result for SHA-256 24c6a8ed1ff4bec4…

MALICIOUS

PDF

43.9 KB Created: 2021-05-19 19:27:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: eb5b9ee440dd1c94278440e6d28c3ff7 SHA-1: 07e127bec147860d8aeb911ecb01619a7e333a9a SHA-256: 24c6a8ed1ff4bec4373d5d1235a0103fa40bba08e260c6b2315d1297fa1db095
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector, specifically pointing to the URL https://netcdn.xyz/app/1330123889/near-pubg-uc-code-game-hack. The document body, though heavily obfuscated, contains references to game hacks and the same malicious URL. This suggests a social engineering lure to drive users to a potentially malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/1330123889/near-pubg-uc-code-game-hack PDF link annotation
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/tiktok-free-hearts-apk_GM835599320.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-real-hack_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/master-coins-free_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/roblox-hack-com_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-get-creative-mode-in-minecraft-server-hack_GM479516143.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/free-robux-survey_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-codes_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-card-link-free_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-spin-hack-link_GM406889139.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.mahabircreation.com/uploaded_files/userfiles/files/hack-coin-master-for-iphone_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_off0000475a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x475A 28748 bytes
SHA-256: 216f51b4847e17c67173a88d52f16d1c95e520cf4d674336744668cfb65164a2
font_01_sfnt_off000088d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88D0 18440 bytes
SHA-256: fe7ef11d1897972fb99257a89a24e711423a29c92f1fb02bc8ac90ba2aa65b4e

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