MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic identified a PDF link to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The presence of numerous SEO-like PDF links suggests a link farm or a method to distribute malicious content through seemingly innocuous 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.link/wix?keyword=brinkmann+q+beam+max+million+iii+parts
- http://fisilu.beautyatthecroft.com/uploads/1/3/1/3/131379874/gijorututerurukos.pdf
- http://susajo.mintkidsdentistry.com/uploads/1/3/1/4/131452913/lomekozi.pdf
- http://files.kristensmeow.com/uploads/1/3/1/6/131637316/juvulalunole.pdf
- http://files.jiucle.org/uploads/1/3/0/8/130814232/nanomugirup.pdf
- http://files.watanaberesearchlab.com/uploads/1/3/1/3/131397927/962672.pdf
- http://files.rogerscitymarina.com/uploads/1/3/1/4/131406274/xupunenezilum_kinifuwepitopi_mofemaruk.pdf
- http://pomid.swtradingcompany.com/uploads/1/3/1/4/131453247/1208481.pdf
- https://cdn.shopify.com/s/files/1/0440/3711/1973/files/aviso_de_privacidad_formato.pdf
- https://cdn.shopify.com/s/files/1/0440/6552/1814/files/12829745174.pdf
- https://bc8859bd-704a-4cdb-a02b-dedb8aede744.filesusr.com/ugd/cdfdba_d9cdf0b0b4d047a6a5a790c3c0962d8f.pdf?index=true
- https://4ab5c431-c835-4b68-b0bb-d0ac3a6c89b2.filesusr.com/ugd/80685d_4d469d1913704360b70d15637ba40c6f.pdf?index=true
- 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_off00005148.binbc1d850084248be077d7513f83ce3e58f5192fd4a46e2e6a6ef1e7f097ace1bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5148 | 5412 bytes |
font_01_sfnt_off00006397.bin864592f361c001f6376c90a9707d85c9332fb4dc775d949f55b369dbad780c28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6397 | 10748 bytes |
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