MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs pointing to various domains, indicating a link farm or SEO spamming operation. The ML classifier strongly suggests maliciousness. The primary attack pattern involves directing users to a multitude of external PDF files, likely to distribute further malicious content or engage in SEO manipulation. No scripts were extracted, limiting the analysis of direct payload delivery.
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 http://michaelwellsart.com/uploads/1/3/0/5/130588294/130588294.html#puntaje+minimo+para+administracion+de+negocios+internacionales+unmsm
- http://www.byyoursidels.com/uploads/1/3/0/7/130740450/devifupikifozug.pdf
- http://delgadillonews.com/uploads/1/3/0/3/130323213/80794d4a5.pdf
- http://mta-sts.mx.bodycareclinicriverside.com/uploads/1/3/0/6/130604014/9271716.pdf
- http://kissolutions.co.nz/uploads/1/3/0/7/130738790/062a34b.pdf
- http://www.yeah-cindi-di.com/uploads/1/3/0/9/130969655/satalirubunapelitiwe.pdf
- http://artbydelayne.com/uploads/1/3/0/3/130313178/wizetamaba-fevakikazulesu.pdf
- http://www.sanchezstreaming.sanchezcomunications.com/uploads/1/3/0/4/130435755/2380632.pdf
- http://thefirmm.com/uploads/1/3/0/7/130775878/8027132.pdf
- http://www.smartmobilityusa.com/uploads/1/3/0/2/130270987/xedawafibulolame.pdf
- http://www.therepurposedlife.net/uploads/1/3/0/7/130739655/7104704.pdf
- http://siouxcitypropainting.com/uploads/1/3/0/4/130483216/52dce85.pdf
- http://olykraut.net/uploads/1/3/0/4/130436222/sidodemewupemi-nujumudupufe.pdf
- http://msftftden2016.com/uploads/1/3/0/7/130739895/sasulosiwado.pdf
- http://travelfeet.co.nz/uploads/1/3/0/6/130620929/10cd508d8.pdf
- http://remingtonagency.net/uploads/1/3/0/2/130272340/lopejaj.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_off00006fdc.bin0cf03d3c1e92f79a63f657d0680fdec4a71171131bf50ba51298caaec978a1cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FDC | 8864 bytes |
font_01_sfnt_off00008f64.bin40a403f8312ff9c93041e514e965a4d57d797ba541f1da729710ef172887bfc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F64 | 16060 bytes |
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