MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic identified a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to attaching PDFs online. The presence of numerous links indicates a potential attempt to distribute malware or conduct phishing by directing users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Embedded URL info EMBEDDED_URLOne 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://ttraff.ru/wb?keyword=attach%20pdfs%20together%20online
- http://files.lcisorchestra.com/uploads/1/3/0/7/130739970/dowiletamap.pdf
- http://files.brandonmoorecomposition.com/uploads/1/3/1/4/131438766/muxigem.pdf
- http://files.australianworkersparty.org/uploads/1/3/0/9/130969923/6164931.pdf
- http://files.gcofc.org.au/uploads/1/3/0/7/130776647/nojokerudeb.pdf
- http://files.msshackelford.com/uploads/1/3/1/4/131453198/b587bedf30.pdf
- http://files.ninamariegardner.com/uploads/1/3/1/3/131384145/jififazavududariwani.pdf
- http://files.archi-technology.com/uploads/1/3/1/8/131856624/d315fd62fe6942.pdf
- http://files.chrisneohrunning.com/uploads/1/3/1/3/131379971/c5e50534e.pdf
- http://files.debbiebakker.com/uploads/1/3/1/4/131437982/zesawut.pdf
- http://files.chrisneohrunning.com/uploads/1/3/1/3/131379971/c5e
- https://fuwedibet.files.wordpress.com/2020/06/xenatibiwe.pdf
- https://tupawev.files.wordpress.com/2020/06/37234407862.pdf
- https://defotikev.files.wordpress.com/2020/07/20544946400.pdf
- https://pemifuxo.files.wordpress.com/2020/06/musatilu.pdf
- https://cdn.shopify.com/s/files/1/0434/6429/4557/files/34064339732.pdf
- https://cdn.shopify.com/s/files/1/0430/0819/6767/files/62113604873.pdf
- https://cdn.shopify.com/s/files/1/0436/8682/2053/files/famemosowubekopanex.pdf
- https://cdn.shopify.com/s/files/1/0433/3774/4534/files/siwabena.pdf
- https://cdn.shopify.com/s/files/1/0431/0230/6468/files/30707953428.pdf
- https://cdn.shopify.com/s/files/1/0433/9249/9877/files/nupopajajuzanufunitixeru.pdf
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/98708100623.pdf
- https://cdn.shopify.com/s/files/1/0428/1306/3335/files/fijutin.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070de.binc139ec660ed2754bceb59c54c21bf8b774be91e6f8227b9ed3b04e70816ab1c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70DE | 5196 bytes |
font_01_sfnt_off0000827a.bine913411199689ec5d59896451c55dcde2515dbd8e479d9c0b0f990df78910f3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x827A | 9888 bytes |
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