Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a0f4692c7614576…

MALICIOUS

PDF

34.4 KB Created: 2021-06-27 09:27:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 6451a657fe1ff886a2dbd1eba1276c59 SHA-1: d5b9c71014c1a5da84009e37956372e7d27bac56 SHA-256: 6a0f4692c7614576ccd64151a9f859d27cd3736d9cd83f307aefa75b91e4638a
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded links, many of which are related to game hacks and cheats, suggesting a lure to download malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and the 'ML_NYX_PDF_MALICIOUS' score is very high. The document body also contains a URL that appears to be a download link for a game hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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 http://netcdn.co/app/431946152/how-long-for-robux-hack-to-get-game-hack
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-hack-v20-by-aatroxx2021_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/buzz-the-bee-robux-hack_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-free-3d-online-gmaes_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-gold-dominus-roblox_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-treasure-hunt-simulator-202120219-cheat_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-spins-for-coin-master-app_GM406889139.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/free-robux-gift-card-codes-2021_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-do-you-get-free-robux-on-your-tablet_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-hack-roblox-bee-swarm-simulator_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/freerobuxclubor_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-win-free-robux_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-cheat-engine-table-and-bypass_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-do-u-get-free-robux-2021_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-get-free-robux-latest-by-robuxian_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-hack-bars-pc_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/roblox-scp-079-free-model_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/como-ganar-robux-en-roblox-hack_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-make-your-own-shirt-in-roblox-for-free_GM431946152.pdf
    • http://elearning.mtsn1magetan.com/__statics/gudangsoal/files/how-to-hack-into-roblox-accounts-using-a-discord_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f42.bin
eee64ca2a68e23d9cce44504723e74b595c08266199e6ce53389a68b803e0f92		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F42 22468 bytes
font_01_sfnt_off0000612a.bin
4f5736a6570627fe0ff260dc6d4e118625ad21fe3b98d51b09b03ea717609d10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x612A 19152 bytes

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