Malicious PDF — malware analysis report

Static analysis result for SHA-256 2460954af5869492…

MALICIOUS

PDF

41.3 KB Created: 2021-05-15 03:44:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 3a35c8ed7166051e4feed3bafedbeca7 SHA-1: b08b156a45ea0a396f052c2ac27090243c7eebba SHA-256: 2460954af58694924aaf3c493b78f15e00dde63d81b1afcaff2d4de12abfa09a
82 Risk Score

Malware Insights

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

The sample is a PDF document that displays a fake CAPTCHA or download button to trick users into clicking a link. The embedded URL and numerous other URLs point to websites offering game hacks or generators, suggesting a social engineering lure. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-spins-game-hack PDF link annotation
    • http://artindex.pro/images/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
    • http://artindex.pro/images/coin-master-hacks-no-surveys_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/robux-rewards_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/android-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/coin-master-online-free-spin_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/rewardrobux-com_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/free-spin-sites-for-coin-master_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/coin-master-free-spins-2021-blogspot_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/coin-master-hack-2021-apk-download_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/flame-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/coin-master-free-cards-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000047be.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47BE 24728 bytes
SHA-256: 56421dc07c96d536b811538f22971b10c4170bc9f3c0d4185f3cae7a70ef9b16
font_01_sfnt_off000080bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80BF 17724 bytes
SHA-256: 9e6e11cb276c7dd66a19f48669c6f0c9fad7b2850a2ee7a5573e48fd717a5b28

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