MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, indicating a likely attempt to drive traffic to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious.
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://cctraff.ru/strik?keyword=global+smartphone+market+share In PDF document text
- http://bafep.naturalsforthenaturals.com/uploads/1/3/1/1/131164211/50c2d4a.pdfIn PDF document text
- http://nojel.ecoaa.ca/uploads/1/3/1/6/131606069/6264561.pdfIn PDF document text
- http://files.lexrap.org/uploads/1/3/1/4/131406369/3172031.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/de63a309-0398-4634-8f82-a4c7dcbfad52/gufumunaredetafos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1666a87-033b-4867-9a8e-80bba5e1cbbf/ruveg.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72901f86-e0ee-45fe-a811-2dcc4316f135/9571431729.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/90dd98e8-8599-4bd4-a61e-1cdbf3904ad3/pufud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09dd1802-ba98-43c3-b287-cbc5dd503ab7/41955362231.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0265857-6ff1-48ca-974c-0af70ac8f1e8/nizawinefizutukiko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e0b291a-93d5-4623-a52f-3ae346b01971/sawepa.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C8 | 5292 bytes |
SHA-256: 7efdf276f49292a33b51176a876814c9b40713302146fb56d61fd5ea507eea5c |
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font_01_sfnt_off00008398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8398 | 11096 bytes |
SHA-256: 6f2b343023a6de8aefd03e72883c6913bb6909e30a2f22fbd3fcecd33180b0d9 |
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