Malicious PDF — malware analysis report

Static analysis result for SHA-256 16b004355b032170…

MALICIOUS

PDF

29.8 KB Created: 2021-06-30 13:46:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 05b25524aeddd56275f259f7e930e26f SHA-1: b20d2818a16039fe7c27d88cddb092d9e85deecf SHA-256: 16b004355b03217075adb56e5831c3db8b24cc031a385a107ca2d94e6d9cf17b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged by a machine learning classifier as malicious. It contains a large number of external links, many of which point to other PDF files hosted on similar domains, suggesting a link farm or a method to distribute further malicious content. The document body and extracted URLs indicate a lure related to game cheats and hacks for popular games like Roblox.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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 http://netcdn.co/app/431946152/artmoney-pro-free-roblox-game-hack
    • http://library.patria-artha.ac.id/repository/free-decals-for-roblox-work-at-a-pizza-place_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/coin-master-daily-spin-free_GM406889139.pdf
    • http://library.patria-artha.ac.id/repository/how-to-get-free-robux-codes-2021_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/hacked-roblox-app-ios_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/games-that-give-free-robux_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/how-to-get-free-things-on-roblox_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/fnaf-free-roam-roblox_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/how-to-get-free-robux-com_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/how-to-hack-roblox-accounts-2021_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/free-robux-codes-no-inspect_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/how-to-get-any-gamepass-on-roblox-for-free-2021_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/modo-hacker-roblox_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/cute-free-roblox-outfits_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/roblox-ghost-hack-cheat-engine-2021_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/cheats-for-prison-life-roblox-2021_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/how-to-get-free-robux-with-no-verification_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/rocashcom-earn-free-robux-by-watching-videos-and-completing-surveys_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/eviction-notice-hacks-roblox_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/how-to-hack-someones-roblox-account_GM431946152.pdf
    • http://library.patria-artha.ac.id/repository/roblox-pizza-place-cheats_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031a8.bin
bc41528f77ea959decad4662feaa4efd2dadd6de76a72953f7021cc3c0bb268c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31A8 22396 bytes

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