MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link to a known malicious redirector, ttraff.me, which is likely intended to lead the user to a malicious site. The document also contains a large number of embedded links to various PDF files, suggesting a link farm or a method to obscure the true malicious destination. The ML classifier 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.me/wix?keyword=cs+164+berkeley
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://73ae9a4d-3a7e-4c9f-9a26-0902c9594636.filesusr.com/ugd/d162e3_a8d432b3594e4dc2b17d4d21dd330e75.pdf?index=true
- https://35f9ba00-af64-43ae-bf13-617d8d87136b.filesusr.com/ugd/b1b3ad_25b9455a361c439880989e6e1d6cc538.pdf?index=true
- https://db065e71-2c86-4a6d-85e4-a55ca35ccdd1.filesusr.com/ugd/3254bf_5c9de33a5b914c188dae55ef87ae6989.pdf?index=true
- https://cdn.shopify.com/s/files/1/0479/5190/4924/files/19308314128.pdf
- https://cdn.shopify.com/s/files/1/0428/8842/9724/files/mangrove_rhizophora_apiculata.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofusibosaduxigagixuvoma.pdf
- https://cdn.shopify.com/s/files/1/0437/7391/9393/files/36151292283.pdf
- https://cdn.shopify.com/s/files/1/0437/1732/9064/files/delivery_note_excel_template.pdf
- https://cdn.shopify.com/s/files/1/0428/9649/0655/files/1708939273.pdf
- https://cdn.shopify.com/s/files/1/0434/7104/4774/files/crack_gta_v.pdf
- https://cdn.shopify.com/s/files/1/0429/1434/9215/files/20_amino_acids_list.pdf
- https://cdn.shopify.com/s/files/1/0429/1916/6105/files/sopepaj.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_off00005f35.bin6be734d79ae8a6316363a42ed5be5444464036ff5f9b50068b93ae720df783f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F35 | 4976 bytes |
font_01_sfnt_off00007049.bin7fa29e9f7585bcc25ca3d279ec62b5f859e93f0d5f5da00617f94d70e4307f9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7049 | 10732 bytes |
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