MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that contains a large number of embedded links, many of which point to potentially malicious redirectors. The ML classifier strongly indicated maliciousness. The document body contains a URL that is also listed as a malicious redirector, suggesting an attempt to lure users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=dcs%20plc%20difference%20pdf
- http://kujorere.jeannetteross.com/uploads/1/3/1/3/131379730/510d00db6.pdf
- http://luzobaku.anncottrellfree.org/uploads/1/3/1/3/131380005/6e14e0.pdf
- http://files.gladetoptrailrun.com/uploads/1/3/0/7/130776735/2811127.pdf
- http://files.dragonchoirs.net/uploads/1/3/1/3/131383664/zefagiri-dowezomerilajor-valamolilim-gobekebunezifon.pdf
- http://files.keelancole.com/uploads/1/3/1/6/131637306/5437446.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/7317/4693/files/basketball_rules.pdf
- https://cdn.shopify.com/s/files/1/0428/2623/6063/files/piragufepekigorewebugo.pdf
- https://cdn.shopify.com/s/files/1/0432/2741/4696/files/15662643203.pdf
- https://cdn.shopify.com/s/files/1/0439/7367/3118/files/dutigikigezibi.pdf
- https://cdn.shopify.com/s/files/1/0435/2992/8872/files/pdf_to_dwg_online_without_email.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96951977507.pdf
- https://cdn.shopify.com/s/files/1/0427/8370/3206/files/82272796201.pdf
- https://cdn.shopify.com/s/files/1/0434/2821/6997/files/64595294181.pdf
- https://cdn.shopify.com/s/files/1/0433/0841/7192/files/dicks_sporting_good_coupon_code.pdf
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/vikobatajimevuzije.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006fd3.binadbf6fc08ce8ea115eae14f9eede6f9d5fe56fdf130e286b444b9c4f3972e3cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FD3 | 4936 bytes |
font_01_sfnt_off000080b5.bin75cb0dde7e8e088bd3403f4ca2bc35ee301637f01f30988fe6a723754fd5335e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80B5 | 10116 bytes |
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