Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e02ab1176f51045…

MALICIOUS

PDF

46.9 KB Created: 2021-05-14 03:16:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 4f17bc4f3cbd862ccb31681722cf5b80 SHA-1: 764ad23c2e28fe598a8354991fc913dd277fa943 SHA-256: 8e02ab1176f51045fe8dfd224051100b8c38765f5789f8cb10cda561e25c86f8
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which are related to game hacks and free in-game currency. The ML classifier and the PDF_SEO_LINK_FARM heuristic strongly indicate malicious intent. The document body and extracted URLs suggest a phishing or malware distribution scheme, likely aiming to trick users into visiting malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/how-to-hack-people-on-roblox-game-hack
    • http://szekelymozes.ro/images/coin-master-hack-spins-apk_GM406889139.pdf
    • http://szekelymozes.ro/images/coin-master-gold-cards-free_GM406889139.pdf
    • http://szekelymozes.ro/images/free-robux-gift-card-codes-2021_GM431946152.pdf
    • http://szekelymozes.ro/images/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdf
    • http://szekelymozes.ro/images/how-to-get-robux-for-free-2021_GM431946152.pdf
    • http://szekelymozes.ro/images/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdf
    • http://szekelymozes.ro/images/free-minecraft-bedrock-server_GM479516143.pdf
    • http://szekelymozes.ro/images/get-free-robux-no-human-verification_GM431946152.pdf
    • http://szekelymozes.ro/images/how-to-get-roblox-credit-for-free_GM431946152.pdf
    • http://szekelymozes.ro/images/robloxfun-com-generator_GM431946152.pdf
    • http://szekelymozes.ro/images/free-robux-hack-2021_GM431946152.pdf
    • http://szekelymozes.ro/images/free-robux-hacks-no-verification_GM431946152.pdf
    • http://szekelymozes.ro/images/how-to-get-free-robux-without-surveys_GM431946152.pdf
    • http://szekelymozes.ro/images/robux-prices_GM431946152.pdf
    • http://szekelymozes.ro/images/coin-master-link-daily-get-free-spins-amp_GM406889139.pdf
    • http://szekelymozes.ro/images/coin-master-free-daily-spins-and-coins_GM406889139.pdf
    • http://szekelymozes.ro/images/mcpe-master-hack-coin-apk_GM406889139.pdf
    • http://szekelymozes.ro/images/roblox-com-robux_GM431946152.pdf
    • http://szekelymozes.ro/images/free-spins-on-coin-master-game_GM406889139.pdf
    • http://szekelymozes.ro/images/coin-master-free-coins-and-spins-app_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004bf6.bin
cdffffeb4cdbdcefe06c2bbd2f6ec12e9fa45f5c3f88c4616ea9773a1e72e816		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BF6 36264 bytes
font_01_sfnt_off00009b3b.bin
9439cdf519c477105af26a237b903c28353edd649090bb99f856962d56c9ecd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B3B 18676 bytes

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