MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a link to a suspicious URL. The document body, though partially corrupted, includes the same redirector URL, suggesting it's the primary lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of links, likely for SEO manipulation or to obscure the malicious destination.
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=uv-vis+spectroscopy+of+transition+metal+complexes
- https://static.usrfiles.com/ugd/e3834b_be04cb07a5634cf7b348cdc676999a0e.pdf
- https://static.usrfiles.com/ugd/7f929b_2c8c253cce6646ac9d3a3d797f4e7471.pdf
- https://static.usrfiles.com/ugd/3ceeb9_aa632bc990134192a79df1378949fb92.pdf
- https://static.usrfiles.com/ugd/b91566_3fced011dedf41c2b99f6547fc46f712.pdf
- https://static.usrfiles.com/ugd/909b15_50a1ddc7204040b2945d0a0c158656e8.pdf
- https://cdn.shopify.com/s/files/1/0432/5926/5188/files/pajedefakawakemevoxo.pdf
- https://static.usrfiles.com/ugd/b8c837_49723570578744938ae893b0c9c2b14f.pdf
- https://static.usrfiles.com/ugd/b8c837_b34d500d95844267aa7a0fb2f1b9653a.pdf
- https://static.usrfiles.com/ugd/d4da64_43b5ce57f3404f15be3f502222c88f6a.pdf
- https://static.usrfiles.com/ugd/225520_a62f105a24cc41339e2855dc37ac57bf.pdf
- https://static.usrfiles.com/ugd/8a419d_f20610593c7c468aa1ec2b9bcb68ca69.pdf
- https://static.usrfiles.com/ugd/3aca14_22ecf410079b40008378b263c8827d6a.pdf
- https://static.usrfiles.com/ugd/d216cb_782f2f156f034872b4dffe0f960f217f.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_off00005dcf.bincca05045159604ce9e1a545184bff129bb2813d9177ca056af8491f7f3abb577 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DCF | 5416 bytes |
font_01_sfnt_off0000703b.bin1f12604bcec706087ab52124442c4a24c1e4ce6a37c763e5d765be45f2c16936 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x703B | 10364 bytes |
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