MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on 'static.usrfiles.com'. The ML classifier strongly indicates maliciousness. No scripts were extracted, limiting the analysis of specific execution behaviors.
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.cc/wix?keyword=leed+reference+guide+for+neighborhood+development
- https://static.usrfiles.com/ugd/b8c837_f6d0bd0993cd48fd8b679ad36d2fa732.pdf
- https://static.usrfiles.com/ugd/b8c837_f49eabad86f048a197efaeb994fdb866.pdf
- https://static.usrfiles.com/ugd/b8c837_87138a1d72a24928a626ab6d5ac58bec.pdf
- https://static.usrfiles.com/ugd/b8c837_03469f8f1a1c4133900d943862dac300.pdf
- https://static.usrfiles.com/ugd/b8c837_6938b56e0ada4c10b1e4f861b6c83288.pdf
- https://static.usrfiles.com/ugd/b8c837_59741ccce1674485acd68ab77f7d4372.pdf
- https://static.usrfiles.com/ugd/b8c837_1123d16fb5c3423fabb5776607bda751.pdf
- https://cdn.shopify.com/s/files/1/0457/8849/6038/files/alienware_aurora_r5_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/9480/1568/files/jovowelanevatawu.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/zawobaket.pdf
- https://cdn.shopify.com/s/files/1/0438/4007/7981/files/nawiwefuw.pdf
- https://cdn.shopify.com/s/files/1/0429/7854/1722/files/inventory_sales_report_template.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_off0001629d.bin161b4e0f26d4b02b739dd5f1d103c275bb3698404bcf1b60ba7140057019f315 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1629D | 5320 bytes |
font_01_sfnt_off0001748b.binc1c67c2c32b2c5723067b31903fd0ffda957eafb45554129b2dd3719691415a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1748B | 10848 bytes |
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