MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'tecnologia medica pdf' and a URL that appears to be part of a link farm designed to attract traffic. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL suggests an attempt to lead the user to a malicious site.
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/pify?keyword=que+es+tecnologia+medica+pdf
- http://pudanimak.drlesleynd.com/uploads/1/3/0/7/130775350/rusevisufusabikozafo.pdf
- http://josamu.zoesbluemoon.com/uploads/1/3/0/7/130740082/dosajunotenivebajes.pdf
- https://cdn.shopify.com/s/files/1/0439/2294/8251/files/78398475353.pdf
- https://cdn.shopify.com/s/files/1/0430/8893/7120/files/vufujegufakuruxusegabelan.pdf
- https://cdn.shopify.com/s/files/1/0431/0528/8352/files/nevifipetuliwazotidinopo.pdf
- https://cdn.shopify.com/s/files/1/0434/5351/3881/files/8519164835.pdf
- https://cdn.shopify.com/s/files/1/0430/1550/4029/files/59100391053.pdf
- https://cdn.shopify.com/s/files/1/0430/8579/1393/files/99130619421.pdf
- https://cdn.shopify.com/s/files/1/0438/4145/4240/files/zokelosoxesasak.pdf
- https://cdn.shopify.com/s/files/1/0431/8615/9767/files/fuxus.pdf
- https://cdn.shopify.com/s/files/1/0458/6428/8409/files/global_perspectives_individual_report_mark_scheme.pdf
- https://cdn.shopify.com/s/files/1/0458/6428/8409/files/gitevevodawawunazava.pdf
- https://cdn.shopify.com/s/files/1/0465/0201/9230/files/funusafajig.pdf
- https://cdn.shopify.com/s/files/1/0433/1280/8091/files/webinigogikodufamiziva.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_off00005ba1.bine82a9d63aa5add68de7d4bd3e7139349bacdc6519aad7651b84207c9d231ff74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BA1 | 5440 bytes |
font_01_sfnt_off00006e18.bin7bed4de6be8dac908d4376f7f44c405c3c19c22567378b2408f183b7c9d63820 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E18 | 10804 bytes |
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