Malicious PDF — malware analysis report

Static analysis result for SHA-256 17b5acd34fba0176…

MALICIOUS

PDF

45.7 KB Created: 2021-05-12 10:14:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: bcaf1fc82fd469975606e0e2904e5cae SHA-1: 7866773428e314aa29b17e8fc22075f8cb1eadd4 SHA-256: 17b5acd34fba0176935d38313a8bb9df58f80ec965cdbac0226c90532767c6ca
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure, designed to trick users into interacting with a malicious link. The embedded URL points to a site offering game hacks, further supporting the social engineering pretext. While no scripts were directly extracted, the PDF structure and heuristics suggest it may exploit vulnerabilities or embed malicious JavaScript to facilitate the download of a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/406889139/coin-master-fun-hack-game-hack
    • http://iglesiashispanas.org/images/how-to-get-free-robux-instantly_GM431946152.pdf
    • http://iglesiashispanas.org/images/get-coin-master-cards-free_GM406889139.pdf
    • http://iglesiashispanas.org/images/free-robux-generator-codes_GM431946152.pdf
    • http://iglesiashispanas.org/images/coin-master-free-spins-youthnow_GM406889139.pdf
    • http://iglesiashispanas.org/images/hack-coin-master-for-free_GM406889139.pdf
    • http://iglesiashispanas.org/images/free-coins-coin-master-2021_GM406889139.pdf
    • http://iglesiashispanas.org/images/how-to-hack-a-roblox-account-easy_GM431946152.pdf
    • http://iglesiashispanas.org/images/roblox-free-robux-codes_GM431946152.pdf
    • http://iglesiashispanas.org/images/how-to-hack-roblox-games_GM431946152.pdf
    • http://iglesiashispanas.org/images/how-can-i-get-free-robux_GM431946152.pdf
    • http://iglesiashispanas.org/images/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdf
    • http://iglesiashispanas.org/images/coin-master-ids-for-free-spins_GM406889139.pdf
    • http://iglesiashispanas.org/images/free-robux-only-1-step_GM431946152.pdf
    • http://iglesiashispanas.org/images/free-ways-to-get-robux_GM431946152.pdf
    • http://iglesiashispanas.org/images/coin-master-free-spins-link-march-2021_GM406889139.pdf
    • http://iglesiashispanas.org/images/roblox-executor-free_GM431946152.pdf
    • http://iglesiashispanas.org/images/roblox-script-hacks_GM431946152.pdf
    • http://iglesiashispanas.org/images/free-minecraft-server-hosting_GM479516143.pdf
    • http://iglesiashispanas.org/images/google-how-do-you-get-free-robux_GM431946152.pdf
    • http://iglesiashispanas.org/images/coin-master-daily-gift-free-spins-and-coins_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000048e1.bin
c59fccc74175a30c111081755073ce910682f0d61fdf0c192589aea4420605df		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48E1 27800 bytes
font_01_sfnt_off00008764.bin
fc92a80cefddbcc51cb4ecd7284aa73b746cbd66adcf1d96110f0323ec06b51f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8764 2812 bytes
font_02_sfnt_off00009104.bin
fc50c95c6124226f0e04eb366e05f521741bbfbc224416fc341995a3278920d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9104 18020 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.