Malicious PDF — malware analysis report

Static analysis result for SHA-256 76b502ffd589b03b…

MALICIOUS

PDF

34.3 KB Created: 2021-07-05 09:52:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ac9ac679692ef1cb9fb7bc9d76c17928 SHA-1: a0856cd00d11bf3764f3a9f30fc9e6539e1baa87 SHA-256: 76b502ffd589b03b1341c5a3a0e12dfe050ec4328659eff49be46f1212a0adef
102 Risk Score

Malware Insights

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

This PDF document contains numerous embedded links, many of which are structured as SEO-optimized URLs pointing to game-related hacks and cheats. The ML classifier strongly indicated maliciousness, and the presence of a download button lure suggests an attempt to trick the user into downloading a malicious payload or visiting a phishing site. The primary goal appears to be directing users to external resources that likely host malware or facilitate credential theft.

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.tw/app/431946152/free-old-roblox-accounts-game-hack
    • http://slims.abulyatama.ac.id/repository/hacks-for-roblox-parkour-fly_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/how-to-become-a-roblox-hacker-free-on-pc_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/coin-master-facebook-hack_GM406889139.pdf
    • http://slims.abulyatama.ac.id/repository/free-t-shirt-design-in-roblox_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/how-to-hack-roblox-with-cheat-engine-2021_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/can-i-play-minecraft-for-free_GM479516143.pdf
    • http://slims.abulyatama.ac.id/repository/minecraft-games-online-free-no-download_GM479516143.pdf
    • http://slims.abulyatama.ac.id//repository/coin-master-free-generator_GM406889139.pdf
    • http://slims.abulyatama.ac.id/repository/cheat-codes-for-coin-master_GM406889139.pdf
    • http://slims.abulyatama.ac.id/repository/corrupt-free-roblox-torso_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/how-to-get-free-robux-images_GM431946152.pdf
    • http://slims.abulyatama.ac.id//repository/how-to-hack-m-coins-mcpe-master_GM406889139.pdf
    • http://slims.abulyatama.ac.id//repository/roblox-hacking-website_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/minecraft-redeem-code-free-2021_GM479516143.pdf
    • http://slims.abulyatama.ac.id//repository/free-minecraft-skins-pe_GM479516143.pdf
    • http://slims.abulyatama.ac.id/repository/how-to-hack-roblox-prison-life-on-chromebook_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/make-your-own-minecraft-server-free_GM479516143.pdf
    • http://slims.abulyatama.ac.id/repository/free-roblox-codes-twitter_GM431946152.pdf
    • http://slims.abulyatama.ac.id/repository/free-robux-on-united-kingdom_GM431946152.pdf
    • http://slims.abulyatama.ac.id//repository/free-roblox-shirt-templates-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ec3.bin
3571d113c10782f2ee792b9a54b1439a4d7d01fd243f8fc1c0ed09d0b45a77f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EC3 22452 bytes
font_01_sfnt_off000060da.bin
503a1698c153e34e51ab91e003e1c8708ab9c578e834d8d147ea019b45b7297e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60DA 19068 bytes

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