PDF malware analysis — malicious · 5fa2e312cbab1698

MALICIOUS

PDF

47.0 KB Created: 2021-05-14 00:00:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: a80da2f6f8c4a987b78269e66b345107 SHA-1: e2b0cac9993429e69eeb905f17c9bfca0f98b99d SHA-256: 5fa2e312cbab1698ffa60ad7a9fd9ee2b0adda7677da3e7c7fa35bd8f3ef9fe1

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged as malicious by an ML classifier and contains a link to known malicious redirector infrastructure. The document body, though partially obfuscated, contains URLs that appear to be lures for downloading applications like 'hack-coin-master-apk'. The presence of a visual download button further supports the malicious intent of directing users to download potentially harmful software.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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 https://netcdn.xyz/app/406889139/hack-coin-master-apk-3.2-game-hack In PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/coin-master-hack-unlimited-spins_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/coin-master-apk_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/free-minecraft-domain_GM479516143.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/coin-master-games-hack_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/robloxfun-com-generator_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/gaming-dunia-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/free-vip-server-roblox_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/roblox-microsoft-rewards_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/coin-master-hack-programers_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/100-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.theecobuild.com/uploaded_files/userfiles/files/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004afd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AFD	27944 bytes
SHA-256: `ea0922b0ecd36df29dcad87c0d183532c1fbae9963aa994f2b4071042d0ad4ed`
`font_01_sfnt_off00008b99.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B99	2812 bytes
SHA-256: `fc92a80cefddbcc51cb4ecd7284aa73b746cbd66adcf1d96110f0323ec06b51f`
`font_02_sfnt_off0000953a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x953A	18256 bytes
SHA-256: `2de3a067c92fd750cac538864d09afc8d4d9cd3de69932c6374fba6ea057edab`

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