MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a significant number of embedded URLs, many of which point to external PDF documents. One of these URLs, https://ttraff.com/wix?keyword=mezcla+frigorifica+explicacion, is identified as a malicious redirector. This suggests a tactic to lure users to malicious sites or to engage in SEO link farming for malicious purposes. The ML classifier also strongly indicated maliciousness.
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.com/wix?keyword=mezcla+frigorifica+explicacion
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/067ecb_e157ac00ebd94625b7cc0e776d32d747.pdf
- https://static.usrfiles.com/ugd/e6092c_1c439cb455554ae89ce557e7799fe008.pdf
- https://static.usrfiles.com/ugd/b8c837_57f22b90c1c349beb4dee70e8a6f115d.pdf
- https://static.usrfiles.com/ugd/6cf392_744f40881ff74052bbba1a6d477f3d52.pdf
- https://static.usrfiles.com/ugd/63022f_82ef94342f4c4ee7a3524bed6717d5b9.pdf
- https://static.usrfiles.com/ugd/a18aa6_b7a8f1abbdfd4c6eb985b20faaa732c9.pdf
- https://static.usrfiles.com/ugd/80c1db_a34d60c0d5f64ef7aa0d46180dab27b9.pdf
- https://static.usrfiles.com/ugd/3826db_59b425631fa3448daaed25721808018e.pdf
- https://cdn.shopify.com/s/files/1/0437/1654/2632/files/design_methods_in_architecture.pdf
- https://cdn.shopify.com/s/files/1/0433/1628/1512/files/research_paper_outline_format_template.pdf
- https://cdn.shopify.com/s/files/1/0431/7003/7924/files/vegaruxanedaxabodizezinal.pdf
- https://cdn.shopify.com/s/files/1/0428/8305/5782/files/sozutezinosi.pdf
- https://cdn.shopify.com/s/files/1/0428/3547/6636/files/denusi.pdf
- https://cdn.shopify.com/s/files/1/0431/1593/7948/files/72963773735.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_off00006189.bin4bca6f2c5ed7fcd1f4770be00b8b1d830ae3a39b96b6e67ef15495444edc0ff2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6189 | 5128 bytes |
font_01_sfnt_off00007329.binc00890f6a059452fe7ef49be8b66c856e557e78b1c5e6cca07b0bc60de144d66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7329 | 10732 bytes |
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