MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm, with numerous external PDF links, many hosted on 'static.usrfiles.com'. The document body, though heavily obfuscated, contains the same malicious URL and several benign-looking URLs, suggesting a lure or distribution mechanism. The primary intent appears to be directing users to malicious infrastructure or a large collection of linked documents.
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=libro+disciplina+con+amor
- https://static.usrfiles.com/ugd/b8c837_5abee67d93264a0a8fa8ec8f88a3df11.pdf
- https://static.usrfiles.com/ugd/b8c837_358530d5d96745719cec97db95ba54e3.pdf
- https://static.usrfiles.com/ugd/b8c837_1cbcdd66fa46440fabbe87efdfb1d3b1.pdf
- https://static.usrfiles.com/ugd/b8c837_681f2cc7fc5c4ddc8bff164975e67588.pdf
- https://static.usrfiles.com/ugd/b8c837_b19285778027454f8e8c2d6da5dcc2ed.pdf
- https://static.usrfiles.com/ugd/b8c837_41739e46bade405d8169c1762424a5e1.pdf
- https://static.usrfiles.com/ugd/b8c837_5404fdac63b843aea2ad5f52b0b64019.pdf
- https://cdn.shopify.com/s/files/1/0433/9564/5589/files/devadawujogujofejax.pdf
- https://cdn.shopify.com/s/files/1/0430/7625/5897/files/tuminuteniboxakege.pdf
- https://cdn.shopify.com/s/files/1/0434/3706/4344/files/97775520975.pdf
- https://static.usrfiles.com/ugd/b8c837_80c09b72ba0a440abe4c978e1794a1c5.pdf
- https://static.usrfiles.com/ugd/b8c837_713cf3315c39486a8fafe1f340c7bd80.pdf
- https://static.usrfiles.com/ugd/b8c837_7ee64cc5bdc248c58947aa9b94236728.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_off000047de.bin4534ff8ec5ba97dc351a424e7cbe78f1526d4d9849fafd0b882c0da385b7cdea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47DE | 5300 bytes |
font_01_sfnt_off000059bd.bin245c6cc022b5fae82d5c3f0a8dc28c29ac86c8a1038ce8e950d75185dd76768c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59BD | 11276 bytes |
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