PDF malware analysis — malicious · 3430788a3d0a1a7d

MALICIOUS

PDF

49.2 KB Created: 2021-05-19 13:26:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 426dc1a7c21e99cefa00ec54473c843b SHA-1: 52863ae4b82faf36d54c19e0a11097f9c8a4ea0f SHA-256: 3430788a3d0a1a7dac3b7bea61a7bbf58c55972c1e2a54476b833d7f64c9396b

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically targeting users with a 'free Robux' lure. The presence of a visual download button further supports the deceptive nature of the document. Although no scripts were directly extracted, the PDF's structure and embedded links strongly indicate it's designed to redirect users to potentially malicious content or downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9228

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/431946152/uprobux.com-free-robux-game-hack In PDF document text
- https://newenglandafs.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://newenglandafs.com/images/coin-master-free-gold-cards_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/daily-spins-coin-master_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/coin-master-100-spin-hack_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/coin-master-100-spin-slot_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/june-29-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/coins-master-hack_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/best-free-roblox-executor_GM431946152.pdfIn PDF document text
- https://newenglandafs.com/images/minecraft-wurst_GM479516143.pdfIn PDF document text
- https://newenglandafs.com/images/coin-master-working-hack_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/free-roblox-templates_GM431946152.pdfIn PDF document text
- https://newenglandafs.com/images/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/robuxglobalcom-no-verification_GM431946152.pdfIn PDF document text
- https://newenglandafs.com/images/free-robux-please_GM431946152.pdfIn PDF document text
- https://newenglandafs.com/images/free-spins-on-coin-master-2021-ios_GM406889139.pdfIn PDF document text
- https://newenglandafs.com/images/roblox-free-robux-hack_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_off00004829.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4829	32532 bytes
SHA-256: `11fe2485aa7d21b52b0b7e26469b4cec553ce6e64379b78bbbb1023a466818a0`
`font_01_sfnt_off00008fbf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8FBF	5696 bytes
SHA-256: `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`
`font_02_sfnt_off00009cd1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9CD1	18700 bytes
SHA-256: `143ab518bfe1873128e001b27a68cdab9711d8d723564be581f3f50f35f3a2b6`

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