Malicious PDF — malware analysis report

Static analysis result for SHA-256 893006d7511b847e…

MALICIOUS

PDF

36.4 KB Created: 2021-06-30 12:30:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: ca7417ecf0f7c72753aec192c289095c SHA-1: 214fd37959d5963dd36b944124daf5e3cd8fd782 SHA-256: 893006d7511b847eae7f9ef8b055d96cc6d09a1acb31d1001f70d1e7a15327b7
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to a known malicious infrastructure, specifically targeting users with lures for game cheats and hacks. The presence of a visual download button and the ML classifier's high confidence score further support the malicious nature of this document. The primary attack vector is likely spearphishing, with the document acting as an attachment designed to trick users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/nopde-cheat-engine-6.4-roblox-game-hack In PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux-codes-reddit_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-no-scam-november_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/unpatchable-robux-hack-robuxian-website_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux-real-working_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/is-roblox-hacked_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/robux-win_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/daily-free-coin-and-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/minecraft-windows-10-key-free_GM479516143.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/master-free-spin_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-spin-hack-apk_GM406889139.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-get-roblox-hacked-account-back_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 3

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
font_00_sfnt_off000034bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34BF 22792 bytes
SHA-256: 1646ca5e147a5aef5726fc8efcb268f09c9d14eb3d4687e1f8c0acd86a74d97b
font_01_sfnt_off000067c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67C8 19520 bytes
SHA-256: 6db670b8009440214adb1bed93313ee3ef36d966a4cc50d4a0d03043345048dd

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