Malicious PDF — malware analysis report

Static analysis result for SHA-256 6be5a3654063928f…

MALICIOUS

PDF

34.9 KB Created: 2021-06-29 07:45:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: e14f28637488ba74354e759e90741db2 SHA-1: 43127082911793c9e8654f537732cafe1d62542c SHA-256: 6be5a3654063928f69c5bc1531211db5dbfec315c2489b3113e65d6e86f1b1bc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure for game hacks and free spins, directing users to the URL http://netcdn.co/app/406889139/coin-master-free-spins-link-today-facebook-game-hack. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document's structure and content strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/406889139/coin-master-free-spins-link-today-facebook-game-hack PDF link annotation
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/dragon-ball-online-roblox-cheats_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/coin-master-spins_GM406889139.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/guest-shirt-roblox-free_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/roblox-hack-2021-lev-7_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/free-coin-master-spins-and-coins-for-daily_GM406889139.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/robux-redeem-code-hack_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/how-to-get-more-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/coin-master-unlimited-coins-hack-apk-download_GM406889139.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/minecraft-education-free_GM479516143.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/free-25-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • https://lpm.umi.ac.id/asset/ckfinder/userfiles/files/telecharger-hack-pour-roblox-mad-city_GM431946152.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_002_off0000301c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x301C 23116 bytes
SHA-256: 3ac4f1319b514f07db0ae9001e5c1bd68b1b98aadc29553f75833407b05c6aa0
font_01_sfnt_off000063fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63FB 18856 bytes
SHA-256: c3ade08de57381628f5686ccf696f3ba3849ebe8fe4747e995ca261a5a4133ad

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