MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, directing users to potentially harmful content.
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.ru/pify?keyword=centrifuge+types+pdf
- http://files.circap.org/uploads/1/3/1/3/131398097/zeduwagamakiw.pdf
- http://files.trahk.org/uploads/1/3/0/9/130969220/51ab9fb2.pdf
- http://rasipuf.husky.is/uploads/1/3/1/1/131164239/9415631.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9879/0301/files/38705162401.pdf
- https://cdn.shopify.com/s/files/1/0427/3173/3159/files/bijidunerirudej.pdf
- https://cdn.shopify.com/s/files/1/0437/2758/5430/files/kelekupovu.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3904/files/titaruwepagafebep.pdf
- https://cdn.shopify.com/s/files/1/0434/6213/1869/files/69294315036.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1534434062.pdf
- https://cdn.shopify.com/s/files/1/0435/1148/0472/files/barriers_to_intercultural_communication.pdf
- https://cdn.shopify.com/s/files/1/0438/0635/9714/files/jadulukojibi.pdf
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/gotigozigufulonitogiduson.pdf
- https://cdn.shopify.com/s/files/1/0431/7514/9719/files/kanozejunutid.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/anemia_falciforme_ministerio_da_saude.pdf
- https://cdn.shopify.com/s/files/1/0430/9850/5369/files/74326977831.pdf
- https://cdn.shopify.com/s/files/1/0436/9278/5818/files/www_nseindia_comn.pdf
- https://cdn.shopify.com/s/files/1/0439/2042/5115/files/56788087206.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000094d8.bin5ef05b34e7ccbdc3b6ef56ffb0116b5ecb9f82203c6ae7c4c153988b7e14fc74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94D8 | 4976 bytes |
font_01_sfnt_off0000a5e3.bin95439f4b44e13859780b17cac18badacdecbab8ae6a3d889310813dc9e08439b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5E3 | 10784 bytes |
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