MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links to external PDF files, identified by the PDF_SEO_LINK_FARM heuristic. One of the primary links, https://traffine.ru/strik?keyword=words+start+with+phe, suggests a potential SEO manipulation or traffic redirection scheme. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the structure and embedded links point towards a malicious intent to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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://traffine.ru/strik?keyword=words+start+with+phe PDF link annotation
- https://cdn-cms.f-static.net/uploads/4418778/normal_5f97385479435.pdfIn PDF document text
- https://jivexine.weebly.com/uploads/1/3/1/3/131380908/guxutiledup-susaredi.pdfIn PDF document text
- https://lififotepul.weebly.com/uploads/1/3/4/3/134339298/xobuzivux-ruraditixax-bolefalonibumo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424040/normal_5fa0ff340e396.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394077/normal_5f9be3ce91657.pdfIn PDF document text
- https://bovuvodesibos.weebly.com/uploads/1/3/4/3/134377535/xisuduginuzuwun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371267/normal_5f8a1c4372445.pdfIn PDF document text
- https://bitoxusimafitaj.weebly.com/uploads/1/3/4/3/134311342/jidenomadubiserupu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nimuwet/36719990726.pdfIn PDF document text
- https://s3.amazonaws.com/kulinisokakewi/dios_mio_ayudame_oracion.pdfIn PDF document text
- https://s3.amazonaws.com/bejokazemur/the_spiderwick_chronicles_book_1_the_field_guide.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_off00004455.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4455 | 5120 bytes |
SHA-256: 9f02c893d6e82c9f8e8e5d432abb15dab89edf5bac27c83ccd395da2af374e64 |
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font_01_sfnt_off000055d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55D1 | 10328 bytes |
SHA-256: 94a510859af5759673d82e9e3a65cb143e903b015c95642073a92bf599af6d14 |
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